Home / 65,431,819.20-98,147,728.80-22,297,180.80

Finding the Fourth Proportional to 65,431,819.20, 98,147,728.80 and 22,297,180.80

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Solution

The fourth proportional to 65,431,819.20, 98,147,728.80 and 22,297,180.80 is: 33,445,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,431,819.20 : 98,147,728.80 = 22,297,180.80 : x
  2. Step 2: Convert to fraction form
    65,431,819.20/98,147,728.80 = 22,297,180.80/x
  3. Step 3: Cross multiply
    65,431,819.20x = 98,147,728.80 × 22,297,180.80
  4. Step 4: Simplify right side
    65,431,819.20x = 2,188,417,654,162,967
  5. Step 5: Solve for x
    x = 2,188,417,654,162,967/65,431,819.20
  6. Step 6: Final answer
    x = 33,445,771.20

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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.