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Finding the Fourth Proportional to 226,635,472.80, 339,701,266.80 and 124,472,829.60

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Solution

The fourth proportional to 226,635,472.80, 339,701,266.80 and 124,472,829.60 is: 186,570,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,635,472.80 : 339,701,266.80 = 124,472,829.60 : x
  2. Step 2: Convert to fraction form
    226,635,472.80/339,701,266.80 = 124,472,829.60/x
  3. Step 3: Cross multiply
    226,635,472.80x = 339,701,266.80 × 124,472,829.60
  4. Step 4: Simplify right side
    226,635,472.80x = 42,283,577,897,300,536
  5. Step 5: Solve for x
    x = 42,283,577,897,300,536/226,635,472.80
  6. Step 6: Final answer
    x = 186,570,872.49

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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.