Finding the Fourth Proportional to 142,175,557.10, 199,314,518.50 and 142,175,557.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,175,557.10 : 199,314,518.50 = 142,175,557.10 : x
2. Step 2: Convert to fraction form
   142,175,557.10/199,314,518.50 = 142,175,557.10/x
3. Step 3: Cross multiply
   142,175,557.10x = 199,314,518.50 × 142,175,557.10
4. Step 4: Simplify right side
   142,175,557.10x = 28,337,652,705,855,756
5. Step 5: Solve for x
   x = 28,337,652,705,855,756/142,175,557.10
6. Step 6: Final answer
   x = 199,314,518.50