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Finding the Fourth Proportional to 363,792,942.40, 545,694,079.20 and 121,455,846.40

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Solution

The fourth proportional to 363,792,942.40, 545,694,079.20 and 121,455,846.40 is: 182,185,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,792,942.40 : 545,694,079.20 = 121,455,846.40 : x
  2. Step 2: Convert to fraction form
    363,792,942.40/545,694,079.20 = 121,455,846.40/x
  3. Step 3: Cross multiply
    363,792,942.40x = 545,694,079.20 × 121,455,846.40
  4. Step 4: Simplify right side
    363,792,942.40x = 66,277,736,264,704,640
  5. Step 5: Solve for x
    x = 66,277,736,264,704,640/363,792,942.40
  6. Step 6: Final answer
    x = 182,185,327.26

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