Home / 65,856,255.38-90,881,632.42-36,882,879.38

Finding the Fourth Proportional to 65,856,255.38, 90,881,632.42 and 36,882,879.38

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Solution

The fourth proportional to 65,856,255.38, 90,881,632.42 and 36,882,879.38 is: 50,898,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,255.38 : 90,881,632.42 = 36,882,879.38 : x
  2. Step 2: Convert to fraction form
    65,856,255.38/90,881,632.42 = 36,882,879.38/x
  3. Step 3: Cross multiply
    65,856,255.38x = 90,881,632.42 × 36,882,879.38
  4. Step 4: Simplify right side
    65,856,255.38x = 3,351,976,285,857,742.50
  5. Step 5: Solve for x
    x = 3,351,976,285,857,742.50/65,856,255.38
  6. Step 6: Final answer
    x = 50,898,373.54

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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.