Home / 83,608,215.54-125,428,473.94-31,788,789.13

Finding the Fourth Proportional to 83,608,215.54, 125,428,473.94 and 31,788,789.13

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Solution

The fourth proportional to 83,608,215.54, 125,428,473.94 and 31,788,789.13 is: 47,689,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608,215.54 : 125,428,473.94 = 31,788,789.13 : x
  2. Step 2: Convert to fraction form
    83,608,215.54/125,428,473.94 = 31,788,789.13/x
  3. Step 3: Cross multiply
    83,608,215.54x = 125,428,473.94 × 31,788,789.13
  4. Step 4: Simplify right side
    83,608,215.54x = 3,987,219,308,976,360
  5. Step 5: Solve for x
    x = 3,987,219,308,976,360/83,608,215.54
  6. Step 6: Final answer
    x = 47,689,324.35

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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.