Home / 80,587,530.78-111,207,548.07-43,917,314.46

Finding the Fourth Proportional to 80,587,530.78, 111,207,548.07 and 43,917,314.46

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Solution

The fourth proportional to 80,587,530.78, 111,207,548.07 and 43,917,314.46 is: 60,604,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587,530.78 : 111,207,548.07 = 43,917,314.46 : x
  2. Step 2: Convert to fraction form
    80,587,530.78/111,207,548.07 = 43,917,314.46/x
  3. Step 3: Cross multiply
    80,587,530.78x = 111,207,548.07 × 43,917,314.46
  4. Step 4: Simplify right side
    80,587,530.78x = 4,883,936,858,915,756
  5. Step 5: Solve for x
    x = 4,883,936,858,915,756/80,587,530.78
  6. Step 6: Final answer
    x = 60,604,125.87

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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.