Home / 306,220,306.56-422,584,691.46-174,062,112.72

Finding the Fourth Proportional to 306,220,306.56, 422,584,691.46 and 174,062,112.72

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Solution

The fourth proportional to 306,220,306.56, 422,584,691.46 and 174,062,112.72 is: 240,206,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,306.56 : 422,584,691.46 = 174,062,112.72 : x
  2. Step 2: Convert to fraction form
    306,220,306.56/422,584,691.46 = 174,062,112.72/x
  3. Step 3: Cross multiply
    306,220,306.56x = 422,584,691.46 × 174,062,112.72
  4. Step 4: Simplify right side
    306,220,306.56x = 73,555,984,198,656,944
  5. Step 5: Solve for x
    x = 73,555,984,198,656,944/306,220,306.56
  6. Step 6: Final answer
    x = 240,206,095.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.