Home / 91,497,781.56-137,251,086.46-30,085,580.68

Finding the Fourth Proportional to 91,497,781.56, 137,251,086.46 and 30,085,580.68

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Solution

The fourth proportional to 91,497,781.56, 137,251,086.46 and 30,085,580.68 is: 45,129,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,781.56 : 137,251,086.46 = 30,085,580.68 : x
  2. Step 2: Convert to fraction form
    91,497,781.56/137,251,086.46 = 30,085,580.68/x
  3. Step 3: Cross multiply
    91,497,781.56x = 137,251,086.46 × 30,085,580.68
  4. Step 4: Simplify right side
    91,497,781.56x = 4,129,278,635,109,986
  5. Step 5: Solve for x
    x = 4,129,278,635,109,986/91,497,781.56
  6. Step 6: Final answer
    x = 45,129,822.44

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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.