Home / 168,969,003.35-253,560,121.34-71,924,552.51

Finding the Fourth Proportional to 168,969,003.35, 253,560,121.34 and 71,924,552.51

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Solution

The fourth proportional to 168,969,003.35, 253,560,121.34 and 71,924,552.51 is: 107,932,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,969,003.35 : 253,560,121.34 = 71,924,552.51 : x
  2. Step 2: Convert to fraction form
    168,969,003.35/253,560,121.34 = 71,924,552.51/x
  3. Step 3: Cross multiply
    168,969,003.35x = 253,560,121.34 × 71,924,552.51
  4. Step 4: Simplify right side
    168,969,003.35x = 18,237,198,260,133,376
  5. Step 5: Solve for x
    x = 18,237,198,260,133,376/168,969,003.35
  6. Step 6: Final answer
    x = 107,932,211.82

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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.