Home / 181,278,626.20-271,917,939.30-156,619,763.80

Finding the Fourth Proportional to 181,278,626.20, 271,917,939.30 and 156,619,763.80

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Solution

The fourth proportional to 181,278,626.20, 271,917,939.30 and 156,619,763.80 is: 234,929,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278,626.20 : 271,917,939.30 = 156,619,763.80 : x
  2. Step 2: Convert to fraction form
    181,278,626.20/271,917,939.30 = 156,619,763.80/x
  3. Step 3: Cross multiply
    181,278,626.20x = 271,917,939.30 × 156,619,763.80
  4. Step 4: Simplify right side
    181,278,626.20x = 42,587,723,426,148,744
  5. Step 5: Solve for x
    x = 42,587,723,426,148,744/181,278,626.20
  6. Step 6: Final answer
    x = 234,929,645.70

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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.