Home / 168,502,832.70-252,754,249.05-71,442,023.10

Finding the Fourth Proportional to 168,502,832.70, 252,754,249.05 and 71,442,023.10

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Solution

The fourth proportional to 168,502,832.70, 252,754,249.05 and 71,442,023.10 is: 107,163,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,832.70 : 252,754,249.05 = 71,442,023.10 : x
  2. Step 2: Convert to fraction form
    168,502,832.70/252,754,249.05 = 71,442,023.10/x
  3. Step 3: Cross multiply
    168,502,832.70x = 252,754,249.05 × 71,442,023.10
  4. Step 4: Simplify right side
    168,502,832.70x = 18,057,274,899,253,252
  5. Step 5: Solve for x
    x = 18,057,274,899,253,252/168,502,832.70
  6. Step 6: Final answer
    x = 107,163,034.65

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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.