Home / 51,585,473.88-71,187,951.60-28,380,103.02

Finding the Fourth Proportional to 51,585,473.88, 71,187,951.60 and 28,380,103.02

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Solution

The fourth proportional to 51,585,473.88, 71,187,951.60 and 28,380,103.02 is: 39,164,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,473.88 : 71,187,951.60 = 28,380,103.02 : x
  2. Step 2: Convert to fraction form
    51,585,473.88/71,187,951.60 = 28,380,103.02/x
  3. Step 3: Cross multiply
    51,585,473.88x = 71,187,951.60 × 28,380,103.02
  4. Step 4: Simplify right side
    51,585,473.88x = 2,020,321,400,190,773.75
  5. Step 5: Solve for x
    x = 2,020,321,400,190,773.75/51,585,473.88
  6. Step 6: Final answer
    x = 39,164,540.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.