Home / 78,358,542.40-117,554,402.40-23,766,644.80

Finding the Fourth Proportional to 78,358,542.40, 117,554,402.40 and 23,766,644.80

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Solution

The fourth proportional to 78,358,542.40, 117,554,402.40 and 23,766,644.80 is: 35,654,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,358,542.40 : 117,554,402.40 = 23,766,644.80 : x
  2. Step 2: Convert to fraction form
    78,358,542.40/117,554,402.40 = 23,766,644.80/x
  3. Step 3: Cross multiply
    78,358,542.40x = 117,554,402.40 × 23,766,644.80
  4. Step 4: Simplify right side
    78,358,542.40x = 2,793,873,726,517,067.50
  5. Step 5: Solve for x
    x = 2,793,873,726,517,067.50/78,358,542.40
  6. Step 6: Final answer
    x = 35,654,998.69

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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.