Home / 87,638,066.48-131,469,061.80-36,508,125.44

Finding the Fourth Proportional to 87,638,066.48, 131,469,061.80 and 36,508,125.44

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Solution

The fourth proportional to 87,638,066.48, 131,469,061.80 and 36,508,125.44 is: 54,767,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638,066.48 : 131,469,061.80 = 36,508,125.44 : x
  2. Step 2: Convert to fraction form
    87,638,066.48/131,469,061.80 = 36,508,125.44/x
  3. Step 3: Cross multiply
    87,638,066.48x = 131,469,061.80 × 36,508,125.44
  4. Step 4: Simplify right side
    87,638,066.48x = 4,799,688,999,673,512
  5. Step 5: Solve for x
    x = 4,799,688,999,673,512/87,638,066.48
  6. Step 6: Final answer
    x = 54,767,171.30

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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.