Home / 91,497,780.56-137,251,084.96-30,085,579.68

Finding the Fourth Proportional to 91,497,780.56, 137,251,084.96 and 30,085,579.68

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Solution

The fourth proportional to 91,497,780.56, 137,251,084.96 and 30,085,579.68 is: 45,129,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,780.56 : 137,251,084.96 = 30,085,579.68 : x
  2. Step 2: Convert to fraction form
    91,497,780.56/137,251,084.96 = 30,085,579.68/x
  3. Step 3: Cross multiply
    91,497,780.56x = 137,251,084.96 × 30,085,579.68
  4. Step 4: Simplify right side
    91,497,780.56x = 4,129,278,452,730,530
  5. Step 5: Solve for x
    x = 4,129,278,452,730,530/91,497,780.56
  6. Step 6: Final answer
    x = 45,129,820.94

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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.