Home / 121,780,023.17-182,710,641.87-81,000,229.73

Finding the Fourth Proportional to 121,780,023.17, 182,710,641.87 and 81,000,229.73

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Solution

The fourth proportional to 121,780,023.17, 182,710,641.87 and 81,000,229.73 is: 121,527,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,780,023.17 : 182,710,641.87 = 81,000,229.73 : x
  2. Step 2: Convert to fraction form
    121,780,023.17/182,710,641.87 = 81,000,229.73/x
  3. Step 3: Cross multiply
    121,780,023.17x = 182,710,641.87 × 81,000,229.73
  4. Step 4: Simplify right side
    121,780,023.17x = 14,799,603,964,672,202
  5. Step 5: Solve for x
    x = 14,799,603,964,672,202/121,780,023.17
  6. Step 6: Final answer
    x = 121,527,353.83

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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.