Home / 74,797,067.40-112,195,601.10-66,734,910.60

Finding the Fourth Proportional to 74,797,067.40, 112,195,601.10 and 66,734,910.60

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Solution

The fourth proportional to 74,797,067.40, 112,195,601.10 and 66,734,910.60 is: 100,102,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,797,067.40 : 112,195,601.10 = 66,734,910.60 : x
  2. Step 2: Convert to fraction form
    74,797,067.40/112,195,601.10 = 66,734,910.60/x
  3. Step 3: Cross multiply
    74,797,067.40x = 112,195,601.10 × 66,734,910.60
  4. Step 4: Simplify right side
    74,797,067.40x = 7,487,363,409,121,761
  5. Step 5: Solve for x
    x = 7,487,363,409,121,761/74,797,067.40
  6. Step 6: Final answer
    x = 100,102,365.90

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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.