Home / 121,394,711.70-182,092,067.55-108,640,127.70

Finding the Fourth Proportional to 121,394,711.70, 182,092,067.55 and 108,640,127.70

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Solution

The fourth proportional to 121,394,711.70, 182,092,067.55 and 108,640,127.70 is: 162,960,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,394,711.70 : 182,092,067.55 = 108,640,127.70 : x
  2. Step 2: Convert to fraction form
    121,394,711.70/182,092,067.55 = 108,640,127.70/x
  3. Step 3: Cross multiply
    121,394,711.70x = 182,092,067.55 × 108,640,127.70
  4. Step 4: Simplify right side
    121,394,711.70x = 19,782,505,471,789,028
  5. Step 5: Solve for x
    x = 19,782,505,471,789,028/121,394,711.70
  6. Step 6: Final answer
    x = 162,960,191.55

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1.5x scale

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.