Finding the Fourth Proportional to 139,091,515.40, 195,131,229.40 and 139,091,515.40

Step by Step Solution

1. Step 1: Write the proportion equation
   139,091,515.40 : 195,131,229.40 = 139,091,515.40 : x
2. Step 2: Convert to fraction form
   139,091,515.40/195,131,229.40 = 139,091,515.40/x
3. Step 3: Cross multiply
   139,091,515.40x = 195,131,229.40 × 139,091,515.40
4. Step 4: Simplify right side
   139,091,515.40x = 27,141,098,399,111,036
5. Step 5: Solve for x
   x = 27,141,098,399,111,036/139,091,515.40
6. Step 6: Final answer
   x = 195,131,229.40