Home / 79,132,332.27-109,255,912.53-49,408,243.02

Finding the Fourth Proportional to 79,132,332.27, 109,255,912.53 and 49,408,243.02

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Solution

The fourth proportional to 79,132,332.27, 109,255,912.53 and 49,408,243.02 is: 68,216,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,332.27 : 109,255,912.53 = 49,408,243.02 : x
  2. Step 2: Convert to fraction form
    79,132,332.27/109,255,912.53 = 49,408,243.02/x
  3. Step 3: Cross multiply
    79,132,332.27x = 109,255,912.53 × 49,408,243.02
  4. Step 4: Simplify right side
    79,132,332.27x = 5,398,142,677,654,103
  5. Step 5: Solve for x
    x = 5,398,142,677,654,103/79,132,332.27
  6. Step 6: Final answer
    x = 68,216,650.80

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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.