Home / 65,786,778.27-90,786,472.11-36,418,601.25

Finding the Fourth Proportional to 65,786,778.27, 90,786,472.11 and 36,418,601.25

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Solution

The fourth proportional to 65,786,778.27, 90,786,472.11 and 36,418,601.25 is: 50,258,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,778.27 : 90,786,472.11 = 36,418,601.25 : x
  2. Step 2: Convert to fraction form
    65,786,778.27/90,786,472.11 = 36,418,601.25/x
  3. Step 3: Cross multiply
    65,786,778.27x = 90,786,472.11 × 36,418,601.25
  4. Step 4: Simplify right side
    65,786,778.27x = 3,306,316,326,668,336
  5. Step 5: Solve for x
    x = 3,306,316,326,668,336/65,786,778.27
  6. Step 6: Final answer
    x = 50,258,067.25

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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.