Home / 137,981,440.43-206,947,586.05-54,976,236.33

Finding the Fourth Proportional to 137,981,440.43, 206,947,586.05 and 54,976,236.33

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Solution

The fourth proportional to 137,981,440.43, 206,947,586.05 and 54,976,236.33 is: 82,454,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,981,440.43 : 206,947,586.05 = 54,976,236.33 : x
  2. Step 2: Convert to fraction form
    137,981,440.43/206,947,586.05 = 54,976,236.33/x
  3. Step 3: Cross multiply
    137,981,440.43x = 206,947,586.05 × 54,976,236.33
  4. Step 4: Simplify right side
    137,981,440.43x = 11,377,199,398,085,770
  5. Step 5: Solve for x
    x = 11,377,199,398,085,770/137,981,440.43
  6. Step 6: Final answer
    x = 82,454,563.18

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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.