Home / 91,456,572.68-137,162,893.45-42,225,124.33

Finding the Fourth Proportional to 91,456,572.68, 137,162,893.45 and 42,225,124.33

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Solution

The fourth proportional to 91,456,572.68, 137,162,893.45 and 42,225,124.33 is: 63,327,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,456,572.68 : 137,162,893.45 = 42,225,124.33 : x
  2. Step 2: Convert to fraction form
    91,456,572.68/137,162,893.45 = 42,225,124.33/x
  3. Step 3: Cross multiply
    91,456,572.68x = 137,162,893.45 × 42,225,124.33
  4. Step 4: Simplify right side
    91,456,572.68x = 5,791,720,229,504,086
  5. Step 5: Solve for x
    x = 5,791,720,229,504,086/91,456,572.68
  6. Step 6: Final answer
    x = 63,327,545.08

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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.