Home / 173,855,998.40-260,783,997.60-87,561,060.80

Finding the Fourth Proportional to 173,855,998.40, 260,783,997.60 and 87,561,060.80

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Solution

The fourth proportional to 173,855,998.40, 260,783,997.60 and 87,561,060.80 is: 131,341,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,855,998.40 : 260,783,997.60 = 87,561,060.80 : x
  2. Step 2: Convert to fraction form
    173,855,998.40/260,783,997.60 = 87,561,060.80/x
  3. Step 3: Cross multiply
    173,855,998.40x = 260,783,997.60 × 87,561,060.80
  4. Step 4: Simplify right side
    173,855,998.40x = 22,834,523,469,520,652
  5. Step 5: Solve for x
    x = 22,834,523,469,520,652/173,855,998.40
  6. Step 6: Final answer
    x = 131,341,591.20

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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.