Finding the Fourth Proportional to 139,992,753.30, 195,536,358.30 and 139,992,753.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,992,753.30 : 195,536,358.30 = 139,992,753.30 : x
2. Step 2: Convert to fraction form
   139,992,753.30/195,536,358.30 = 139,992,753.30/x
3. Step 3: Cross multiply
   139,992,753.30x = 195,536,358.30 × 139,992,753.30
4. Step 4: Simplify right side
   139,992,753.30x = 27,373,673,168,672,312
5. Step 5: Solve for x
   x = 27,373,673,168,672,312/139,992,753.30
6. Step 6: Final answer
   x = 195,536,358.30