Home / 84,045,167.60-126,067,751.40-51,591,837.20

Finding the Fourth Proportional to 84,045,167.60, 126,067,751.40 and 51,591,837.20

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Solution

The fourth proportional to 84,045,167.60, 126,067,751.40 and 51,591,837.20 is: 77,387,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045,167.60 : 126,067,751.40 = 51,591,837.20 : x
  2. Step 2: Convert to fraction form
    84,045,167.60/126,067,751.40 = 51,591,837.20/x
  3. Step 3: Cross multiply
    84,045,167.60x = 126,067,751.40 × 51,591,837.20
  4. Step 4: Simplify right side
    84,045,167.60x = 6,504,066,906,398,873
  5. Step 5: Solve for x
    x = 6,504,066,906,398,873/84,045,167.60
  6. Step 6: Final answer
    x = 77,387,755.80

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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.