Home / 49,845,793.20-74,712,702.60-21,087,034.80

Finding the Fourth Proportional to 49,845,793.20, 74,712,702.60 and 21,087,034.80

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Solution

The fourth proportional to 49,845,793.20, 74,712,702.60 and 21,087,034.80 is: 31,606,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845,793.20 : 74,712,702.60 = 21,087,034.80 : x
  2. Step 2: Convert to fraction form
    49,845,793.20/74,712,702.60 = 21,087,034.80/x
  3. Step 3: Cross multiply
    49,845,793.20x = 74,712,702.60 × 21,087,034.80
  4. Step 4: Simplify right side
    49,845,793.20x = 1,575,469,359,728,250.50
  5. Step 5: Solve for x
    x = 1,575,469,359,728,250.50/49,845,793.20
  6. Step 6: Final answer
    x = 31,606,867.07

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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.