Finding the Fourth Proportional to 139,968,297.30, 195,502,119.90 and 139,968,297.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,297.30 : 195,502,119.90 = 139,968,297.30 : x
2. Step 2: Convert to fraction form
   139,968,297.30/195,502,119.90 = 139,968,297.30/x
3. Step 3: Cross multiply
   139,968,297.30x = 195,502,119.90 × 139,968,297.30
4. Step 4: Simplify right side
   139,968,297.30x = 27,364,098,840,943,448
5. Step 5: Solve for x
   x = 27,364,098,840,943,448/139,968,297.30
6. Step 6: Final answer
   x = 195,502,119.90