Home / 159,960,721.52-220,752,613.10-89,396,329.69

Finding the Fourth Proportional to 159,960,721.52, 220,752,613.10 and 89,396,329.69

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Solution

The fourth proportional to 159,960,721.52, 220,752,613.10 and 89,396,329.69 is: 123,370,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,960,721.52 : 220,752,613.10 = 89,396,329.69 : x
  2. Step 2: Convert to fraction form
    159,960,721.52/220,752,613.10 = 89,396,329.69/x
  3. Step 3: Cross multiply
    159,960,721.52x = 220,752,613.10 × 89,396,329.69
  4. Step 4: Simplify right side
    159,960,721.52x = 19,734,473,381,116,044
  5. Step 5: Solve for x
    x = 19,734,473,381,116,044/159,960,721.52
  6. Step 6: Final answer
    x = 123,370,744.98

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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.