Home / 168,968,963.22-253,560,061.08-71,924,512.38

Finding the Fourth Proportional to 168,968,963.22, 253,560,061.08 and 71,924,512.38

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Solution

The fourth proportional to 168,968,963.22, 253,560,061.08 and 71,924,512.38 is: 107,932,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968,963.22 : 253,560,061.08 = 71,924,512.38 : x
  2. Step 2: Convert to fraction form
    168,968,963.22/253,560,061.08 = 71,924,512.38/x
  3. Step 3: Cross multiply
    168,968,963.22x = 253,560,061.08 × 71,924,512.38
  4. Step 4: Simplify right side
    168,968,963.22x = 18,237,183,752,222,016
  5. Step 5: Solve for x
    x = 18,237,183,752,222,016/168,968,963.22
  6. Step 6: Final answer
    x = 107,932,151.59

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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.