Home / 159,770,819.60-239,656,229.40-82,286,721.80

Finding the Fourth Proportional to 159,770,819.60, 239,656,229.40 and 82,286,721.80

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Solution

The fourth proportional to 159,770,819.60, 239,656,229.40 and 82,286,721.80 is: 123,430,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,770,819.60 : 239,656,229.40 = 82,286,721.80 : x
  2. Step 2: Convert to fraction form
    159,770,819.60/239,656,229.40 = 82,286,721.80/x
  3. Step 3: Cross multiply
    159,770,819.60x = 239,656,229.40 × 82,286,721.80
  4. Step 4: Simplify right side
    159,770,819.60x = 19,720,525,476,274,780
  5. Step 5: Solve for x
    x = 19,720,525,476,274,780/159,770,819.60
  6. Step 6: Final answer
    x = 123,430,082.70

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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.