Home / 107,867,251.20-161,800,876.80-71,587,545.60

Finding the Fourth Proportional to 107,867,251.20, 161,800,876.80 and 71,587,545.60

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Solution

The fourth proportional to 107,867,251.20, 161,800,876.80 and 71,587,545.60 is: 107,381,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867,251.20 : 161,800,876.80 = 71,587,545.60 : x
  2. Step 2: Convert to fraction form
    107,867,251.20/161,800,876.80 = 71,587,545.60/x
  3. Step 3: Cross multiply
    107,867,251.20x = 161,800,876.80 × 71,587,545.60
  4. Step 4: Simplify right side
    107,867,251.20x = 11,582,927,646,039,982
  5. Step 5: Solve for x
    x = 11,582,927,646,039,982/107,867,251.20
  6. Step 6: Final answer
    x = 107,381,318.40

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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.