Home / 65,760,387.20-98,640,580.80-17,891,331.20

Finding the Fourth Proportional to 65,760,387.20, 98,640,580.80 and 17,891,331.20

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Solution

The fourth proportional to 65,760,387.20, 98,640,580.80 and 17,891,331.20 is: 26,836,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760,387.20 : 98,640,580.80 = 17,891,331.20 : x
  2. Step 2: Convert to fraction form
    65,760,387.20/98,640,580.80 = 17,891,331.20/x
  3. Step 3: Cross multiply
    65,760,387.20x = 98,640,580.80 × 17,891,331.20
  4. Step 4: Simplify right side
    65,760,387.20x = 1,764,811,300,853,160.75
  5. Step 5: Solve for x
    x = 1,764,811,300,853,160.75/65,760,387.20
  6. Step 6: Final answer
    x = 26,836,996.80

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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.