Home / 87,436,936.80-131,050,429.20-36,292,629.60

Finding the Fourth Proportional to 87,436,936.80, 131,050,429.20 and 36,292,629.60

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Solution

The fourth proportional to 87,436,936.80, 131,050,429.20 and 36,292,629.60 is: 54,395,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,436,936.80 : 131,050,429.20 = 36,292,629.60 : x
  2. Step 2: Convert to fraction form
    87,436,936.80/131,050,429.20 = 36,292,629.60/x
  3. Step 3: Cross multiply
    87,436,936.80x = 131,050,429.20 × 36,292,629.60
  4. Step 4: Simplify right side
    87,436,936.80x = 4,756,164,685,876,625
  5. Step 5: Solve for x
    x = 4,756,164,685,876,625/87,436,936.80
  6. Step 6: Final answer
    x = 54,395,371.80

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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.