Home / 168,968,960.97-253,560,057.71-71,924,510.13

Finding the Fourth Proportional to 168,968,960.97, 253,560,057.71 and 71,924,510.13

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Solution

The fourth proportional to 168,968,960.97, 253,560,057.71 and 71,924,510.13 is: 107,932,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968,960.97 : 253,560,057.71 = 71,924,510.13 : x
  2. Step 2: Convert to fraction form
    168,968,960.97/253,560,057.71 = 71,924,510.13/x
  3. Step 3: Cross multiply
    168,968,960.97x = 253,560,057.71 × 71,924,510.13
  4. Step 4: Simplify right side
    168,968,960.97x = 18,237,182,938,966,656
  5. Step 5: Solve for x
    x = 18,237,182,938,966,656/168,968,960.97
  6. Step 6: Final answer
    x = 107,932,148.21

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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.