Home / 33,215,067.60-49,822,601.40-20,393,998.80

Finding the Fourth Proportional to 33,215,067.60, 49,822,601.40 and 20,393,998.80

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Solution

The fourth proportional to 33,215,067.60, 49,822,601.40 and 20,393,998.80 is: 30,590,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,067.60 : 49,822,601.40 = 20,393,998.80 : x
  2. Step 2: Convert to fraction form
    33,215,067.60/49,822,601.40 = 20,393,998.80/x
  3. Step 3: Cross multiply
    33,215,067.60x = 49,822,601.40 × 20,393,998.80
  4. Step 4: Simplify right side
    33,215,067.60x = 1,016,082,073,164,478.38
  5. Step 5: Solve for x
    x = 1,016,082,073,164,478.38/33,215,067.60
  6. Step 6: Final answer
    x = 30,590,998.20

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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.