Home / 88,577,998.20-132,866,997.30-85,176,775.80

Finding the Fourth Proportional to 88,577,998.20, 132,866,997.30 and 85,176,775.80

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Solution

The fourth proportional to 88,577,998.20, 132,866,997.30 and 85,176,775.80 is: 127,765,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,577,998.20 : 132,866,997.30 = 85,176,775.80 : x
  2. Step 2: Convert to fraction form
    88,577,998.20/132,866,997.30 = 85,176,775.80/x
  3. Step 3: Cross multiply
    88,577,998.20x = 132,866,997.30 × 85,176,775.80
  4. Step 4: Simplify right side
    88,577,998.20x = 11,317,182,440,241,304
  5. Step 5: Solve for x
    x = 11,317,182,440,241,304/88,577,998.20
  6. Step 6: Final answer
    x = 127,765,163.70

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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.