Home / 168,502,446.90-252,753,670.35-82,296,155.70

Finding the Fourth Proportional to 168,502,446.90, 252,753,670.35 and 82,296,155.70

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Solution

The fourth proportional to 168,502,446.90, 252,753,670.35 and 82,296,155.70 is: 123,444,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,446.90 : 252,753,670.35 = 82,296,155.70 : x
  2. Step 2: Convert to fraction form
    168,502,446.90/252,753,670.35 = 82,296,155.70/x
  3. Step 3: Cross multiply
    168,502,446.90x = 252,753,670.35 × 82,296,155.70
  4. Step 4: Simplify right side
    168,502,446.90x = 20,800,655,408,870,072
  5. Step 5: Solve for x
    x = 20,800,655,408,870,072/168,502,446.90
  6. Step 6: Final answer
    x = 123,444,233.55

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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.