Home / 87,439,727.40-131,159,591.10-41,990,562.60

Finding the Fourth Proportional to 87,439,727.40, 131,159,591.10 and 41,990,562.60

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Solution

The fourth proportional to 87,439,727.40, 131,159,591.10 and 41,990,562.60 is: 62,985,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,439,727.40 : 131,159,591.10 = 41,990,562.60 : x
  2. Step 2: Convert to fraction form
    87,439,727.40/131,159,591.10 = 41,990,562.60/x
  3. Step 3: Cross multiply
    87,439,727.40x = 131,159,591.10 × 41,990,562.60
  4. Step 4: Simplify right side
    87,439,727.40x = 5,507,465,020,674,953
  5. Step 5: Solve for x
    x = 5,507,465,020,674,953/87,439,727.40
  6. Step 6: Final answer
    x = 62,985,843.90

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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.