Home / 82,635,745,121.20-123,769,951,672.20-71,615,784,545.20

Finding the Fourth Proportional to 82,635,745,121.20, 123,769,951,672.20 and 71,615,784,545.20

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Solution

The fourth proportional to 82,635,745,121.20, 123,769,951,672.20 and 71,615,784,545.20 is: 107,264,503,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,635,745,121.20 : 123,769,951,672.20 = 71,615,784,545.20 : x
  2. Step 2: Convert to fraction form
    82,635,745,121.20/123,769,951,672.20 = 71,615,784,545.20/x
  3. Step 3: Cross multiply
    82,635,745,121.20x = 123,769,951,672.20 × 71,615,784,545.20
  4. Step 4: Simplify right side
    82,635,745,121.20x = 8,863,882,192,126,091,460,608
  5. Step 5: Solve for x
    x = 8,863,882,192,126,091,460,608/82,635,745,121.20
  6. Step 6: Final answer
    x = 107,264,503,746.24

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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.