Who became the world's fifth-richest man in the world with an estimated wealth of 75 billion USD?

Who became the world's fifth-richest man in the world with an estimate

1.	Who became the world's fifth-richest man in the world with an estimated wealth of 75 billion USD?
Answer» Reliance Industries Limited (RIL) Chairman & CEO Mukesh Ambani (63), became the world's fifth-richest man in the world with an estimated wealth of 75 billion USD, according to the real-time ranking of billionaires by Forbes.