Finding the Fourth Proportional to 139,968,120.30, 195,501,872.10 and 139,968,120.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,120.30 : 195,501,872.10 = 139,968,120.30 : x
2. Step 2: Convert to fraction form
   139,968,120.30/195,501,872.10 = 139,968,120.30/x
3. Step 3: Cross multiply
   139,968,120.30x = 195,501,872.10 × 139,968,120.30
4. Step 4: Simplify right side
   139,968,120.30x = 27,364,029,552,968,016
5. Step 5: Solve for x
   x = 27,364,029,552,968,016/139,968,120.30
6. Step 6: Final answer
   x = 195,501,872.10