Home / 72,581,321.10-108,871,981.65-24,712,265.10

Finding the Fourth Proportional to 72,581,321.10, 108,871,981.65 and 24,712,265.10

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Solution

The fourth proportional to 72,581,321.10, 108,871,981.65 and 24,712,265.10 is: 37,068,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,321.10 : 108,871,981.65 = 24,712,265.10 : x
  2. Step 2: Convert to fraction form
    72,581,321.10/108,871,981.65 = 24,712,265.10/x
  3. Step 3: Cross multiply
    72,581,321.10x = 108,871,981.65 × 24,712,265.10
  4. Step 4: Simplify right side
    72,581,321.10x = 2,690,473,272,497,135.50
  5. Step 5: Solve for x
    x = 2,690,473,272,497,135.50/72,581,321.10
  6. Step 6: Final answer
    x = 37,068,397.65

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Double scale
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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.