Home / 230,646,677.85-318,288,160.26-126,222,654.78

Finding the Fourth Proportional to 230,646,677.85, 318,288,160.26 and 126,222,654.78

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Solution

The fourth proportional to 230,646,677.85, 318,288,160.26 and 126,222,654.78 is: 174,184,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,646,677.85 : 318,288,160.26 = 126,222,654.78 : x
  2. Step 2: Convert to fraction form
    230,646,677.85/318,288,160.26 = 126,222,654.78/x
  3. Step 3: Cross multiply
    230,646,677.85x = 318,288,160.26 × 126,222,654.78
  4. Step 4: Simplify right side
    230,646,677.85x = 40,175,176,573,059,296
  5. Step 5: Solve for x
    x = 40,175,176,573,059,296/230,646,677.85
  6. Step 6: Final answer
    x = 174,184,934.93

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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.