Home / 87,831,104.80-131,587,224.90-71,569,010.20

Finding the Fourth Proportional to 87,831,104.80, 131,587,224.90 and 71,569,010.20

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Solution

The fourth proportional to 87,831,104.80, 131,587,224.90 and 71,569,010.20 is: 107,223,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831,104.80 : 131,587,224.90 = 71,569,010.20 : x
  2. Step 2: Convert to fraction form
    87,831,104.80/131,587,224.90 = 71,569,010.20/x
  3. Step 3: Cross multiply
    87,831,104.80x = 131,587,224.90 × 71,569,010.20
  4. Step 4: Simplify right side
    87,831,104.80x = 9,417,567,441,057,794
  5. Step 5: Solve for x
    x = 9,417,567,441,057,794/87,831,104.80
  6. Step 6: Final answer
    x = 107,223,602.19

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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.