Home / 181,279,002.20-271,918,503.30-156,620,139.80

Finding the Fourth Proportional to 181,279,002.20, 271,918,503.30 and 156,620,139.80

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Solution

The fourth proportional to 181,279,002.20, 271,918,503.30 and 156,620,139.80 is: 234,930,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279,002.20 : 271,918,503.30 = 156,620,139.80 : x
  2. Step 2: Convert to fraction form
    181,279,002.20/271,918,503.30 = 156,620,139.80/x
  3. Step 3: Cross multiply
    181,279,002.20x = 271,918,503.30 × 156,620,139.80
  4. Step 4: Simplify right side
    181,279,002.20x = 42,587,914,001,052,768
  5. Step 5: Solve for x
    x = 42,587,914,001,052,768/181,279,002.20
  6. Step 6: Final answer
    x = 234,930,209.70

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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.