Home / 65,368,278.50-90,207,134.19-36,002,343.56

Finding the Fourth Proportional to 65,368,278.50, 90,207,134.19 and 36,002,343.56

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Solution

The fourth proportional to 65,368,278.50, 90,207,134.19 and 36,002,343.56 is: 49,682,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,368,278.50 : 90,207,134.19 = 36,002,343.56 : x
  2. Step 2: Convert to fraction form
    65,368,278.50/90,207,134.19 = 36,002,343.56/x
  3. Step 3: Cross multiply
    65,368,278.50x = 90,207,134.19 × 36,002,343.56
  4. Step 4: Simplify right side
    65,368,278.50x = 3,247,668,236,220,366.50
  5. Step 5: Solve for x
    x = 3,247,668,236,220,366.50/65,368,278.50
  6. Step 6: Final answer
    x = 49,682,633.70

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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.