Home / 112,815,174.29-155,670,557.84-65,760,474.74

Finding the Fourth Proportional to 112,815,174.29, 155,670,557.84 and 65,760,474.74

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Solution

The fourth proportional to 112,815,174.29, 155,670,557.84 and 65,760,474.74 is: 90,741,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,815,174.29 : 155,670,557.84 = 65,760,474.74 : x
  2. Step 2: Convert to fraction form
    112,815,174.29/155,670,557.84 = 65,760,474.74/x
  3. Step 3: Cross multiply
    112,815,174.29x = 155,670,557.84 × 65,760,474.74
  4. Step 4: Simplify right side
    112,815,174.29x = 10,236,969,785,491,874
  5. Step 5: Solve for x
    x = 10,236,969,785,491,874/112,815,174.29
  6. Step 6: Final answer
    x = 90,741,071.40

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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.