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Finding the Fourth Proportional to 267,972,668.01, 369,758,908.40 and 167,489,255.66

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Solution

The fourth proportional to 267,972,668.01, 369,758,908.40 and 167,489,255.66 is: 231,108,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,972,668.01 : 369,758,908.40 = 167,489,255.66 : x
  2. Step 2: Convert to fraction form
    267,972,668.01/369,758,908.40 = 167,489,255.66/x
  3. Step 3: Cross multiply
    267,972,668.01x = 369,758,908.40 × 167,489,255.66
  4. Step 4: Simplify right side
    267,972,668.01x = 61,930,644,338,883,880
  5. Step 5: Solve for x
    x = 61,930,644,338,883,880/267,972,668.01
  6. Step 6: Final answer
    x = 231,108,063.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.