Home / 137,981,437.98-206,947,582.36-54,976,233.88

Finding the Fourth Proportional to 137,981,437.98, 206,947,582.36 and 54,976,233.88

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Solution

The fourth proportional to 137,981,437.98, 206,947,582.36 and 54,976,233.88 is: 82,454,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,981,437.98 : 206,947,582.36 = 54,976,233.88 : x
  2. Step 2: Convert to fraction form
    137,981,437.98/206,947,582.36 = 54,976,233.88/x
  3. Step 3: Cross multiply
    137,981,437.98x = 206,947,582.36 × 54,976,233.88
  4. Step 4: Simplify right side
    137,981,437.98x = 11,377,198,688,540,798
  5. Step 5: Solve for x
    x = 11,377,198,688,540,798/137,981,437.98
  6. Step 6: Final answer
    x = 82,454,559.51

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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.