Home / 80,930,764.29-111,684,375.54-43,760,955.78

Finding the Fourth Proportional to 80,930,764.29, 111,684,375.54 and 43,760,955.78

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Solution

The fourth proportional to 80,930,764.29, 111,684,375.54 and 43,760,955.78 is: 60,390,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,764.29 : 111,684,375.54 = 43,760,955.78 : x
  2. Step 2: Convert to fraction form
    80,930,764.29/111,684,375.54 = 43,760,955.78/x
  3. Step 3: Cross multiply
    80,930,764.29x = 111,684,375.54 × 43,760,955.78
  4. Step 4: Simplify right side
    80,930,764.29x = 4,887,415,019,322,854
  5. Step 5: Solve for x
    x = 4,887,415,019,322,854/80,930,764.29
  6. Step 6: Final answer
    x = 60,390,076.16

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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.