Home / 87,469,912.80-131,220,615.60-36,357,098.40

Finding the Fourth Proportional to 87,469,912.80, 131,220,615.60 and 36,357,098.40

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Solution

The fourth proportional to 87,469,912.80, 131,220,615.60 and 36,357,098.40 is: 54,542,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,469,912.80 : 131,220,615.60 = 36,357,098.40 : x
  2. Step 2: Convert to fraction form
    87,469,912.80/131,220,615.60 = 36,357,098.40/x
  3. Step 3: Cross multiply
    87,469,912.80x = 131,220,615.60 × 36,357,098.40
  4. Step 4: Simplify right side
    87,469,912.80x = 4,770,800,833,477,775
  5. Step 5: Solve for x
    x = 4,770,800,833,477,775/87,469,912.80
  6. Step 6: Final answer
    x = 54,542,192.63

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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.