Home / 103,584,002.10-155,376,003.15-65,288,757.30

Finding the Fourth Proportional to 103,584,002.10, 155,376,003.15 and 65,288,757.30

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Solution

The fourth proportional to 103,584,002.10, 155,376,003.15 and 65,288,757.30 is: 97,933,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584,002.10 : 155,376,003.15 = 65,288,757.30 : x
  2. Step 2: Convert to fraction form
    103,584,002.10/155,376,003.15 = 65,288,757.30/x
  3. Step 3: Cross multiply
    103,584,002.10x = 155,376,003.15 × 65,288,757.30
  4. Step 4: Simplify right side
    103,584,002.10x = 10,144,306,159,904,386
  5. Step 5: Solve for x
    x = 10,144,306,159,904,386/103,584,002.10
  6. Step 6: Final answer
    x = 97,933,135.95

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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.