Home / 78,732,139.80-118,098,209.70-72,514,280.10

Finding the Fourth Proportional to 78,732,139.80, 118,098,209.70 and 72,514,280.10

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Solution

The fourth proportional to 78,732,139.80, 118,098,209.70 and 72,514,280.10 is: 108,771,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,139.80 : 118,098,209.70 = 72,514,280.10 : x
  2. Step 2: Convert to fraction form
    78,732,139.80/118,098,209.70 = 72,514,280.10/x
  3. Step 3: Cross multiply
    78,732,139.80x = 118,098,209.70 × 72,514,280.10
  4. Step 4: Simplify right side
    78,732,139.80x = 8,563,806,657,494,336
  5. Step 5: Solve for x
    x = 8,563,806,657,494,336/78,732,139.80
  6. Step 6: Final answer
    x = 108,771,420.15

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