Home / 136,435,781.70-204,653,672.55-54,514,151.55

Finding the Fourth Proportional to 136,435,781.70, 204,653,672.55 and 54,514,151.55

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Solution

The fourth proportional to 136,435,781.70, 204,653,672.55 and 54,514,151.55 is: 81,771,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435,781.70 : 204,653,672.55 = 54,514,151.55 : x
  2. Step 2: Convert to fraction form
    136,435,781.70/204,653,672.55 = 54,514,151.55/x
  3. Step 3: Cross multiply
    136,435,781.70x = 204,653,672.55 × 54,514,151.55
  4. Step 4: Simplify right side
    136,435,781.70x = 11,156,521,320,654,774
  5. Step 5: Solve for x
    x = 11,156,521,320,654,774/136,435,781.70
  6. Step 6: Final answer
    x = 81,771,227.33

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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.