Home / 87,663,610.80-131,495,416.20-36,582,289.20

Finding the Fourth Proportional to 87,663,610.80, 131,495,416.20 and 36,582,289.20

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Solution

The fourth proportional to 87,663,610.80, 131,495,416.20 and 36,582,289.20 is: 54,873,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663,610.80 : 131,495,416.20 = 36,582,289.20 : x
  2. Step 2: Convert to fraction form
    87,663,610.80/131,495,416.20 = 36,582,289.20/x
  3. Step 3: Cross multiply
    87,663,610.80x = 131,495,416.20 × 36,582,289.20
  4. Step 4: Simplify right side
    87,663,610.80x = 4,810,403,343,902,766
  5. Step 5: Solve for x
    x = 4,810,403,343,902,766/87,663,610.80
  6. Step 6: Final answer
    x = 54,873,433.80

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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.