Home / 83,608,211.54-125,428,467.94-31,788,785.13

Finding the Fourth Proportional to 83,608,211.54, 125,428,467.94 and 31,788,785.13

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Solution

The fourth proportional to 83,608,211.54, 125,428,467.94 and 31,788,785.13 is: 47,689,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608,211.54 : 125,428,467.94 = 31,788,785.13 : x
  2. Step 2: Convert to fraction form
    83,608,211.54/125,428,467.94 = 31,788,785.13/x
  3. Step 3: Cross multiply
    83,608,211.54x = 125,428,467.94 × 31,788,785.13
  4. Step 4: Simplify right side
    83,608,211.54x = 3,987,218,616,370,810
  5. Step 5: Solve for x
    x = 3,987,218,616,370,810/83,608,211.54
  6. Step 6: Final answer
    x = 47,689,318.35

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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.