Home / 87,551,104.50-120,808,180.97-49,875,259.10

Finding the Fourth Proportional to 87,551,104.50, 120,808,180.97 and 49,875,259.10

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Solution

The fourth proportional to 87,551,104.50, 120,808,180.97 and 49,875,259.10 is: 68,820,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551,104.50 : 120,808,180.97 = 49,875,259.10 : x
  2. Step 2: Convert to fraction form
    87,551,104.50/120,808,180.97 = 49,875,259.10/x
  3. Step 3: Cross multiply
    87,551,104.50x = 120,808,180.97 × 49,875,259.10
  4. Step 4: Simplify right side
    87,551,104.50x = 6,025,339,327,741,876
  5. Step 5: Solve for x
    x = 6,025,339,327,741,876/87,551,104.50
  6. Step 6: Final answer
    x = 68,820,825.99

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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.