Home / 87,722,436.38-131,629,688.48-35,945,473.82

Finding the Fourth Proportional to 87,722,436.38, 131,629,688.48 and 35,945,473.82

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Solution

The fourth proportional to 87,722,436.38, 131,629,688.48 and 35,945,473.82 is: 53,937,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,722,436.38 : 131,629,688.48 = 35,945,473.82 : x
  2. Step 2: Convert to fraction form
    87,722,436.38/131,629,688.48 = 35,945,473.82/x
  3. Step 3: Cross multiply
    87,722,436.38x = 131,629,688.48 × 35,945,473.82
  4. Step 4: Simplify right side
    87,722,436.38x = 4,731,491,520,624,311
  5. Step 5: Solve for x
    x = 4,731,491,520,624,311/87,722,436.38
  6. Step 6: Final answer
    x = 53,937,073.75

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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.