Home / 91,398,313.54-137,092,641.82-29,979,381.92

Finding the Fourth Proportional to 91,398,313.54, 137,092,641.82 and 29,979,381.92

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Solution

The fourth proportional to 91,398,313.54, 137,092,641.82 and 29,979,381.92 is: 44,967,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398,313.54 : 137,092,641.82 = 29,979,381.92 : x
  2. Step 2: Convert to fraction form
    91,398,313.54/137,092,641.82 = 29,979,381.92/x
  3. Step 3: Cross multiply
    91,398,313.54x = 137,092,641.82 × 29,979,381.92
  4. Step 4: Simplify right side
    91,398,313.54x = 4,109,952,667,811,327
  5. Step 5: Solve for x
    x = 4,109,952,667,811,327/91,398,313.54
  6. Step 6: Final answer
    x = 44,967,489.10

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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.