Home / 87,552,222.80-131,328,334.20-86,357,829.20

Finding the Fourth Proportional to 87,552,222.80, 131,328,334.20 and 86,357,829.20

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Solution

The fourth proportional to 87,552,222.80, 131,328,334.20 and 86,357,829.20 is: 129,536,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,222.80 : 131,328,334.20 = 86,357,829.20 : x
  2. Step 2: Convert to fraction form
    87,552,222.80/131,328,334.20 = 86,357,829.20/x
  3. Step 3: Cross multiply
    87,552,222.80x = 131,328,334.20 × 86,357,829.20
  4. Step 4: Simplify right side
    87,552,222.80x = 11,341,229,853,964,120
  5. Step 5: Solve for x
    x = 11,341,229,853,964,120/87,552,222.80
  6. Step 6: Final answer
    x = 129,536,743.80

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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.