Home / 83,608,211.92-125,428,468.52-31,788,785.52

Finding the Fourth Proportional to 83,608,211.92, 125,428,468.52 and 31,788,785.52

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Solution

The fourth proportional to 83,608,211.92, 125,428,468.52 and 31,788,785.52 is: 47,689,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608,211.92 : 125,428,468.52 = 31,788,785.52 : x
  2. Step 2: Convert to fraction form
    83,608,211.92/125,428,468.52 = 31,788,785.52/x
  3. Step 3: Cross multiply
    83,608,211.92x = 125,428,468.52 × 31,788,785.52
  4. Step 4: Simplify right side
    83,608,211.92x = 3,987,218,683,884,351.50
  5. Step 5: Solve for x
    x = 3,987,218,683,884,351.50/83,608,211.92
  6. Step 6: Final answer
    x = 47,689,318.94

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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.