Home / 28,080,067.80-42,120,101.70-23,545,104.60

Finding the Fourth Proportional to 28,080,067.80, 42,120,101.70 and 23,545,104.60

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Solution

The fourth proportional to 28,080,067.80, 42,120,101.70 and 23,545,104.60 is: 35,317,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,067.80 : 42,120,101.70 = 23,545,104.60 : x
  2. Step 2: Convert to fraction form
    28,080,067.80/42,120,101.70 = 23,545,104.60/x
  3. Step 3: Cross multiply
    28,080,067.80x = 42,120,101.70 × 23,545,104.60
  4. Step 4: Simplify right side
    28,080,067.80x = 991,722,200,289,138
  5. Step 5: Solve for x
    x = 991,722,200,289,138/28,080,067.80
  6. Step 6: Final answer
    x = 35,317,656.90

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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.