Home / 159,960,712.41-220,752,600.49-89,396,320.54

Finding the Fourth Proportional to 159,960,712.41, 220,752,600.49 and 89,396,320.54

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Solution

The fourth proportional to 159,960,712.41, 220,752,600.49 and 89,396,320.54 is: 123,370,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,960,712.41 : 220,752,600.49 = 89,396,320.54 : x
  2. Step 2: Convert to fraction form
    159,960,712.41/220,752,600.49 = 89,396,320.54/x
  3. Step 3: Cross multiply
    159,960,712.41x = 220,752,600.49 × 89,396,320.54
  4. Step 4: Simplify right side
    159,960,712.41x = 19,734,470,233,442,604
  5. Step 5: Solve for x
    x = 19,734,470,233,442,604/159,960,712.41
  6. Step 6: Final answer
    x = 123,370,732.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.