Home / 93,651,067.20-140,476,600.80-39,791,380.80

Finding the Fourth Proportional to 93,651,067.20, 140,476,600.80 and 39,791,380.80

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Solution

The fourth proportional to 93,651,067.20, 140,476,600.80 and 39,791,380.80 is: 59,687,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651,067.20 : 140,476,600.80 = 39,791,380.80 : x
  2. Step 2: Convert to fraction form
    93,651,067.20/140,476,600.80 = 39,791,380.80/x
  3. Step 3: Cross multiply
    93,651,067.20x = 140,476,600.80 × 39,791,380.80
  4. Step 4: Simplify right side
    93,651,067.20x = 5,589,757,915,922,385
  5. Step 5: Solve for x
    x = 5,589,757,915,922,385/93,651,067.20
  6. Step 6: Final answer
    x = 59,687,071.20

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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.