Home / 87,501,675.29-120,753,578.72-48,344,353.43

Finding the Fourth Proportional to 87,501,675.29, 120,753,578.72 and 48,344,353.43

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Solution

The fourth proportional to 87,501,675.29, 120,753,578.72 and 48,344,353.43 is: 66,715,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,501,675.29 : 120,753,578.72 = 48,344,353.43 : x
  2. Step 2: Convert to fraction form
    87,501,675.29/120,753,578.72 = 48,344,353.43/x
  3. Step 3: Cross multiply
    87,501,675.29x = 120,753,578.72 × 48,344,353.43
  4. Step 4: Simplify right side
    87,501,675.29x = 5,837,753,687,094,099
  5. Step 5: Solve for x
    x = 5,837,753,687,094,099/87,501,675.29
  6. Step 6: Final answer
    x = 66,715,907.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.