The 10 Richest Women in the World, from Christy Walton to Liliane Bettencourt (Photos)

Georgina "Gina" Rinehart, the mining magnate who owns and operates her late father’s Hancock Prospecting, is on the fast track to become the world’s richest woman after South Korean company Posco bought a stake in a major mining operation being undertaken by Hancock, bringing Rinehart’s net worth as high as an estimated $20 billion.

That’s assuming that family feuds—including Rinehart’s threat to stop paying ransom insurance for her children—don’t get in the way of her business concerns.

But how does Rinehart stack up against the rest of the world’s richest women?

The Daily Beast runs down the 10 richest women in the world.