Home / 72,532,866.60-108,799,299.90-68,277,839.40

Finding the Fourth Proportional to 72,532,866.60, 108,799,299.90 and 68,277,839.40

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Solution

The fourth proportional to 72,532,866.60, 108,799,299.90 and 68,277,839.40 is: 102,416,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,532,866.60 : 108,799,299.90 = 68,277,839.40 : x
  2. Step 2: Convert to fraction form
    72,532,866.60/108,799,299.90 = 68,277,839.40/x
  3. Step 3: Cross multiply
    72,532,866.60x = 108,799,299.90 × 68,277,839.40
  4. Step 4: Simplify right side
    72,532,866.60x = 7,428,581,125,404,637
  5. Step 5: Solve for x
    x = 7,428,581,125,404,637/72,532,866.60
  6. Step 6: Final answer
    x = 102,416,759.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.