Home / 87,647,587.60-131,471,381.40-53,635,363.60

Finding the Fourth Proportional to 87,647,587.60, 131,471,381.40 and 53,635,363.60

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Solution

The fourth proportional to 87,647,587.60, 131,471,381.40 and 53,635,363.60 is: 80,453,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647,587.60 : 131,471,381.40 = 53,635,363.60 : x
  2. Step 2: Convert to fraction form
    87,647,587.60/131,471,381.40 = 53,635,363.60/x
  3. Step 3: Cross multiply
    87,647,587.60x = 131,471,381.40 × 53,635,363.60
  4. Step 4: Simplify right side
    87,647,587.60x = 7,051,515,344,383,278
  5. Step 5: Solve for x
    x = 7,051,515,344,383,278/87,647,587.60
  6. Step 6: Final answer
    x = 80,453,045.40

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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.