Home / 49,897,221.40-74,845,832.10-43,726,187.80

Finding the Fourth Proportional to 49,897,221.40, 74,845,832.10 and 43,726,187.80

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Solution

The fourth proportional to 49,897,221.40, 74,845,832.10 and 43,726,187.80 is: 65,589,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,221.40 : 74,845,832.10 = 43,726,187.80 : x
  2. Step 2: Convert to fraction form
    49,897,221.40/74,845,832.10 = 43,726,187.80/x
  3. Step 3: Cross multiply
    49,897,221.40x = 74,845,832.10 × 43,726,187.80
  4. Step 4: Simplify right side
    49,897,221.40x = 3,272,722,910,451,868
  5. Step 5: Solve for x
    x = 3,272,722,910,451,868/49,897,221.40
  6. Step 6: Final answer
    x = 65,589,281.70

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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.