Home / 168,441,203.80-252,661,805.70-102,967,672.60

Finding the Fourth Proportional to 168,441,203.80, 252,661,805.70 and 102,967,672.60

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Solution

The fourth proportional to 168,441,203.80, 252,661,805.70 and 102,967,672.60 is: 154,451,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,441,203.80 : 252,661,805.70 = 102,967,672.60 : x
  2. Step 2: Convert to fraction form
    168,441,203.80/252,661,805.70 = 102,967,672.60/x
  3. Step 3: Cross multiply
    168,441,203.80x = 252,661,805.70 × 102,967,672.60
  4. Step 4: Simplify right side
    168,441,203.80x = 26,015,998,087,842,412
  5. Step 5: Solve for x
    x = 26,015,998,087,842,412/168,441,203.80
  6. Step 6: Final answer
    x = 154,451,508.90

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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.