Home / 87,381,405.92-131,093,449.16-29,088,971.24

Finding the Fourth Proportional to 87,381,405.92, 131,093,449.16 and 29,088,971.24

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Solution

The fourth proportional to 87,381,405.92, 131,093,449.16 and 29,088,971.24 is: 43,640,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,381,405.92 : 131,093,449.16 = 29,088,971.24 : x
  2. Step 2: Convert to fraction form
    87,381,405.92/131,093,449.16 = 29,088,971.24/x
  3. Step 3: Cross multiply
    87,381,405.92x = 131,093,449.16 × 29,088,971.24
  4. Step 4: Simplify right side
    87,381,405.92x = 3,813,373,571,566,730
  5. Step 5: Solve for x
    x = 3,813,373,571,566,730/87,381,405.92
  6. Step 6: Final answer
    x = 43,640,560.96

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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.