Home / 168,968,961.48-253,560,058.46-71,924,510.64

Finding the Fourth Proportional to 168,968,961.48, 253,560,058.46 and 71,924,510.64

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Solution

The fourth proportional to 168,968,961.48, 253,560,058.46 and 71,924,510.64 is: 107,932,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968,961.48 : 253,560,058.46 = 71,924,510.64 : x
  2. Step 2: Convert to fraction form
    168,968,961.48/253,560,058.46 = 71,924,510.64/x
  3. Step 3: Cross multiply
    168,968,961.48x = 253,560,058.46 × 71,924,510.64
  4. Step 4: Simplify right side
    168,968,961.48x = 18,237,183,122,585,292
  5. Step 5: Solve for x
    x = 18,237,183,122,585,292/168,968,961.48
  6. Step 6: Final answer
    x = 107,932,148.97

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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.