Home / 172,220,861.85-258,259,464.87-54,015,167.76

Finding the Fourth Proportional to 172,220,861.85, 258,259,464.87 and 54,015,167.76

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Solution

The fourth proportional to 172,220,861.85, 258,259,464.87 and 54,015,167.76 is: 81,000,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,220,861.85 : 258,259,464.87 = 54,015,167.76 : x
  2. Step 2: Convert to fraction form
    172,220,861.85/258,259,464.87 = 54,015,167.76/x
  3. Step 3: Cross multiply
    172,220,861.85x = 258,259,464.87 × 54,015,167.76
  4. Step 4: Simplify right side
    172,220,861.85x = 13,949,928,320,560,876
  5. Step 5: Solve for x
    x = 13,949,928,320,560,876/172,220,861.85
  6. Step 6: Final answer
    x = 81,000,223.61

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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.