Home / 181,691,142.80-272,536,714.20-167,661,100.40

Finding the Fourth Proportional to 181,691,142.80, 272,536,714.20 and 167,661,100.40

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Solution

The fourth proportional to 181,691,142.80, 272,536,714.20 and 167,661,100.40 is: 251,491,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691,142.80 : 272,536,714.20 = 167,661,100.40 : x
  2. Step 2: Convert to fraction form
    181,691,142.80/272,536,714.20 = 167,661,100.40/x
  3. Step 3: Cross multiply
    181,691,142.80x = 272,536,714.20 × 167,661,100.40
  4. Step 4: Simplify right side
    181,691,142.80x = 45,693,805,402,172,304
  5. Step 5: Solve for x
    x = 45,693,805,402,172,304/181,691,142.80
  6. Step 6: Final answer
    x = 251,491,650.60

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1.5x scale

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.