Home / 79,841,011.60-119,761,517.40-71,763,108.40

Finding the Fourth Proportional to 79,841,011.60, 119,761,517.40 and 71,763,108.40

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Solution

The fourth proportional to 79,841,011.60, 119,761,517.40 and 71,763,108.40 is: 107,644,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,011.60 : 119,761,517.40 = 71,763,108.40 : x
  2. Step 2: Convert to fraction form
    79,841,011.60/119,761,517.40 = 71,763,108.40/x
  3. Step 3: Cross multiply
    79,841,011.60x = 119,761,517.40 × 71,763,108.40
  4. Step 4: Simplify right side
    79,841,011.60x = 8,594,458,755,324,687
  5. Step 5: Solve for x
    x = 8,594,458,755,324,687/79,841,011.60
  6. Step 6: Final answer
    x = 107,644,662.60

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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.