Home / 137,932,067.92-206,663,971.38-83,229,715.84

Finding the Fourth Proportional to 137,932,067.92, 206,663,971.38 and 83,229,715.84

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Solution

The fourth proportional to 137,932,067.92, 206,663,971.38 and 83,229,715.84 is: 124,703,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932,067.92 : 206,663,971.38 = 83,229,715.84 : x
  2. Step 2: Convert to fraction form
    137,932,067.92/206,663,971.38 = 83,229,715.84/x
  3. Step 3: Cross multiply
    137,932,067.92x = 206,663,971.38 × 83,229,715.84
  4. Step 4: Simplify right side
    137,932,067.92x = 17,200,583,612,323,294
  5. Step 5: Solve for x
    x = 17,200,583,612,323,294/137,932,067.92
  6. Step 6: Final answer
    x = 124,703,296.86

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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.