Home / 181,279,008.20-271,918,512.30-156,620,145.80

Finding the Fourth Proportional to 181,279,008.20, 271,918,512.30 and 156,620,145.80

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Solution

The fourth proportional to 181,279,008.20, 271,918,512.30 and 156,620,145.80 is: 234,930,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279,008.20 : 271,918,512.30 = 156,620,145.80 : x
  2. Step 2: Convert to fraction form
    181,279,008.20/271,918,512.30 = 156,620,145.80/x
  3. Step 3: Cross multiply
    181,279,008.20x = 271,918,512.30 × 156,620,145.80
  4. Step 4: Simplify right side
    181,279,008.20x = 42,587,917,042,145,096
  5. Step 5: Solve for x
    x = 42,587,917,042,145,096/181,279,008.20
  6. Step 6: Final answer
    x = 234,930,218.70

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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.