Home / 78,691,200.18-108,593,645.13-43,883,928.78

Finding the Fourth Proportional to 78,691,200.18, 108,593,645.13 and 43,883,928.78

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Solution

The fourth proportional to 78,691,200.18, 108,593,645.13 and 43,883,928.78 is: 60,559,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,200.18 : 108,593,645.13 = 43,883,928.78 : x
  2. Step 2: Convert to fraction form
    78,691,200.18/108,593,645.13 = 43,883,928.78/x
  3. Step 3: Cross multiply
    78,691,200.18x = 108,593,645.13 × 43,883,928.78
  4. Step 4: Simplify right side
    78,691,200.18x = 4,765,515,788,845,514
  5. Step 5: Solve for x
    x = 4,765,515,788,845,514/78,691,200.18
  6. Step 6: Final answer
    x = 60,559,703.98

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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.