Home / 78,767,597.20-118,098,251.70-37,846,640.20

Finding the Fourth Proportional to 78,767,597.20, 118,098,251.70 and 37,846,640.20

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Solution

The fourth proportional to 78,767,597.20, 118,098,251.70 and 37,846,640.20 is: 56,744,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767,597.20 : 118,098,251.70 = 37,846,640.20 : x
  2. Step 2: Convert to fraction form
    78,767,597.20/118,098,251.70 = 37,846,640.20/x
  3. Step 3: Cross multiply
    78,767,597.20x = 118,098,251.70 × 37,846,640.20
  4. Step 4: Simplify right side
    78,767,597.20x = 4,469,622,040,338,939
  5. Step 5: Solve for x
    x = 4,469,622,040,338,939/78,767,597.20
  6. Step 6: Final answer
    x = 56,744,425.36

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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.