Home / 125,503,721.70-188,255,582.55-124,786,276.35

Finding the Fourth Proportional to 125,503,721.70, 188,255,582.55 and 124,786,276.35

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Solution

The fourth proportional to 125,503,721.70, 188,255,582.55 and 124,786,276.35 is: 187,179,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503,721.70 : 188,255,582.55 = 124,786,276.35 : x
  2. Step 2: Convert to fraction form
    125,503,721.70/188,255,582.55 = 124,786,276.35/x
  3. Step 3: Cross multiply
    125,503,721.70x = 188,255,582.55 × 124,786,276.35
  4. Step 4: Simplify right side
    125,503,721.70x = 23,491,713,148,514,540
  5. Step 5: Solve for x
    x = 23,491,713,148,514,540/125,503,721.70
  6. Step 6: Final answer
    x = 187,179,414.53

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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.