Home / 87,804,013.20-131,706,019.80-57,193,011.60

Finding the Fourth Proportional to 87,804,013.20, 131,706,019.80 and 57,193,011.60

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Solution

The fourth proportional to 87,804,013.20, 131,706,019.80 and 57,193,011.60 is: 85,789,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,804,013.20 : 131,706,019.80 = 57,193,011.60 : x
  2. Step 2: Convert to fraction form
    87,804,013.20/131,706,019.80 = 57,193,011.60/x
  3. Step 3: Cross multiply
    87,804,013.20x = 131,706,019.80 × 57,193,011.60
  4. Step 4: Simplify right side
    87,804,013.20x = 7,532,663,918,211,230
  5. Step 5: Solve for x
    x = 7,532,663,918,211,230/87,804,013.20
  6. Step 6: Final answer
    x = 85,789,517.40

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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.