Home / 91,349,781.92-137,040,032.08-45,293,923.88

Finding the Fourth Proportional to 91,349,781.92, 137,040,032.08 and 45,293,923.88

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Solution

The fourth proportional to 91,349,781.92, 137,040,032.08 and 45,293,923.88 is: 67,948,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349,781.92 : 137,040,032.08 = 45,293,923.88 : x
  2. Step 2: Convert to fraction form
    91,349,781.92/137,040,032.08 = 45,293,923.88/x
  3. Step 3: Cross multiply
    91,349,781.92x = 137,040,032.08 × 45,293,923.88
  4. Step 4: Simplify right side
    91,349,781.92x = 6,207,080,781,544,279
  5. Step 5: Solve for x
    x = 6,207,080,781,544,279/91,349,781.92
  6. Step 6: Final answer
    x = 67,948,501.37

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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.