Home / 87,383,609.20-131,106,906.60-36,302,287.60

Finding the Fourth Proportional to 87,383,609.20, 131,106,906.60 and 36,302,287.60

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Solution

The fourth proportional to 87,383,609.20, 131,106,906.60 and 36,302,287.60 is: 54,466,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,383,609.20 : 131,106,906.60 = 36,302,287.60 : x
  2. Step 2: Convert to fraction form
    87,383,609.20/131,106,906.60 = 36,302,287.60/x
  3. Step 3: Cross multiply
    87,383,609.20x = 131,106,906.60 × 36,302,287.60
  4. Step 4: Simplify right side
    87,383,609.20x = 4,759,480,629,739,538
  5. Step 5: Solve for x
    x = 4,759,480,629,739,538/87,383,609.20
  6. Step 6: Final answer
    x = 54,466,514.64

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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.