Home / 139,418,579.27-192,396,575.13-76,693,326.57

Finding the Fourth Proportional to 139,418,579.27, 192,396,575.13 and 76,693,326.57

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Solution

The fourth proportional to 139,418,579.27, 192,396,575.13 and 76,693,326.57 is: 105,836,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,418,579.27 : 192,396,575.13 = 76,693,326.57 : x
  2. Step 2: Convert to fraction form
    139,418,579.27/192,396,575.13 = 76,693,326.57/x
  3. Step 3: Cross multiply
    139,418,579.27x = 192,396,575.13 × 76,693,326.57
  4. Step 4: Simplify right side
    139,418,579.27x = 14,755,533,367,394,628
  5. Step 5: Solve for x
    x = 14,755,533,367,394,628/139,418,579.27
  6. Step 6: Final answer
    x = 105,836,205.23

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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.