Home / 80,784,247.68-111,491,831.16-45,503,213.76

Finding the Fourth Proportional to 80,784,247.68, 111,491,831.16 and 45,503,213.76

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Solution

The fourth proportional to 80,784,247.68, 111,491,831.16 and 45,503,213.76 is: 62,799,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,784,247.68 : 111,491,831.16 = 45,503,213.76 : x
  2. Step 2: Convert to fraction form
    80,784,247.68/111,491,831.16 = 45,503,213.76/x
  3. Step 3: Cross multiply
    80,784,247.68x = 111,491,831.16 × 45,503,213.76
  4. Step 4: Simplify right side
    80,784,247.68x = 5,073,236,625,767,308
  5. Step 5: Solve for x
    x = 5,073,236,625,767,308/80,784,247.68
  6. Step 6: Final answer
    x = 62,799,825.11

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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.