Home / 282,100,565.72-422,957,670.05-143,658,187.76

Finding the Fourth Proportional to 282,100,565.72, 422,957,670.05 and 143,658,187.76

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Solution

The fourth proportional to 282,100,565.72, 422,957,670.05 and 143,658,187.76 is: 215,388,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,100,565.72 : 422,957,670.05 = 143,658,187.76 : x
  2. Step 2: Convert to fraction form
    282,100,565.72/422,957,670.05 = 143,658,187.76/x
  3. Step 3: Cross multiply
    282,100,565.72x = 422,957,670.05 × 143,658,187.76
  4. Step 4: Simplify right side
    282,100,565.72x = 60,761,332,375,741,952
  5. Step 5: Solve for x
    x = 60,761,332,375,741,952/282,100,565.72
  6. Step 6: Final answer
    x = 215,388,906.51

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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.