Home / 43,467,067.80-65,200,601.70-31,987,942.20

Finding the Fourth Proportional to 43,467,067.80, 65,200,601.70 and 31,987,942.20

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Solution

The fourth proportional to 43,467,067.80, 65,200,601.70 and 31,987,942.20 is: 47,981,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467,067.80 : 65,200,601.70 = 31,987,942.20 : x
  2. Step 2: Convert to fraction form
    43,467,067.80/65,200,601.70 = 31,987,942.20/x
  3. Step 3: Cross multiply
    43,467,067.80x = 65,200,601.70 × 31,987,942.20
  4. Step 4: Simplify right side
    43,467,067.80x = 2,085,633,078,584,821.75
  5. Step 5: Solve for x
    x = 2,085,633,078,584,821.75/43,467,067.80
  6. Step 6: Final answer
    x = 47,981,913.30

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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.