Home / 252,753,049.20-379,165,003.20-99,363,430.20

Finding the Fourth Proportional to 252,753,049.20, 379,165,003.20 and 99,363,430.20

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Solution

The fourth proportional to 252,753,049.20, 379,165,003.20 and 99,363,430.20 is: 149,059,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,753,049.20 : 379,165,003.20 = 99,363,430.20 : x
  2. Step 2: Convert to fraction form
    252,753,049.20/379,165,003.20 = 99,363,430.20/x
  3. Step 3: Cross multiply
    252,753,049.20x = 379,165,003.20 × 99,363,430.20
  4. Step 4: Simplify right side
    252,753,049.20x = 37,675,135,329,745,976
  5. Step 5: Solve for x
    x = 37,675,135,329,745,976/252,753,049.20
  6. Step 6: Final answer
    x = 149,059,073.47

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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.