Home / 74,069,865.49-102,251,858.94-49,331,221.33

Finding the Fourth Proportional to 74,069,865.49, 102,251,858.94 and 49,331,221.33

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Solution

The fourth proportional to 74,069,865.49, 102,251,858.94 and 49,331,221.33 is: 68,100,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,865.49 : 102,251,858.94 = 49,331,221.33 : x
  2. Step 2: Convert to fraction form
    74,069,865.49/102,251,858.94 = 49,331,221.33/x
  3. Step 3: Cross multiply
    74,069,865.49x = 102,251,858.94 × 49,331,221.33
  4. Step 4: Simplify right side
    74,069,865.49x = 5,044,209,084,773,079
  5. Step 5: Solve for x
    x = 5,044,209,084,773,079/74,069,865.49
  6. Step 6: Final answer
    x = 68,100,691.85

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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.