Home / 168,968,962.97-253,560,060.71-71,924,512.13

Finding the Fourth Proportional to 168,968,962.97, 253,560,060.71 and 71,924,512.13

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Solution

The fourth proportional to 168,968,962.97, 253,560,060.71 and 71,924,512.13 is: 107,932,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968,962.97 : 253,560,060.71 = 71,924,512.13 : x
  2. Step 2: Convert to fraction form
    168,968,962.97/253,560,060.71 = 71,924,512.13/x
  3. Step 3: Cross multiply
    168,968,962.97x = 253,560,060.71 × 71,924,512.13
  4. Step 4: Simplify right side
    168,968,962.97x = 18,237,183,662,219,932
  5. Step 5: Solve for x
    x = 18,237,183,662,219,932/168,968,962.97
  6. Step 6: Final answer
    x = 107,932,151.22

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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.