Home / 88,578,760.20-132,868,140.30-85,177,537.80

Finding the Fourth Proportional to 88,578,760.20, 132,868,140.30 and 85,177,537.80

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Solution

The fourth proportional to 88,578,760.20, 132,868,140.30 and 85,177,537.80 is: 127,766,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,760.20 : 132,868,140.30 = 85,177,537.80 : x
  2. Step 2: Convert to fraction form
    88,578,760.20/132,868,140.30 = 85,177,537.80/x
  3. Step 3: Cross multiply
    88,578,760.20x = 132,868,140.30 × 85,177,537.80
  4. Step 4: Simplify right side
    88,578,760.20x = 11,317,381,042,818,952
  5. Step 5: Solve for x
    x = 11,317,381,042,818,952/88,578,760.20
  6. Step 6: Final answer
    x = 127,766,306.70

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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.