Home / 87,480,405.60-131,220,608.40-53,043,028.80

Finding the Fourth Proportional to 87,480,405.60, 131,220,608.40 and 53,043,028.80

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Solution

The fourth proportional to 87,480,405.60, 131,220,608.40 and 53,043,028.80 is: 79,564,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,405.60 : 131,220,608.40 = 53,043,028.80 : x
  2. Step 2: Convert to fraction form
    87,480,405.60/131,220,608.40 = 53,043,028.80/x
  3. Step 3: Cross multiply
    87,480,405.60x = 131,220,608.40 × 53,043,028.80
  4. Step 4: Simplify right side
    87,480,405.60x = 6,960,338,510,514,722
  5. Step 5: Solve for x
    x = 6,960,338,510,514,722/87,480,405.60
  6. Step 6: Final answer
    x = 79,564,543.20

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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.