Home / 121,366,833.12-182,012,302.80-40,568,905.44

Finding the Fourth Proportional to 121,366,833.12, 182,012,302.80 and 40,568,905.44

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Solution

The fourth proportional to 121,366,833.12, 182,012,302.80 and 40,568,905.44 is: 60,840,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,366,833.12 : 182,012,302.80 = 40,568,905.44 : x
  2. Step 2: Convert to fraction form
    121,366,833.12/182,012,302.80 = 40,568,905.44/x
  3. Step 3: Cross multiply
    121,366,833.12x = 182,012,302.80 × 40,568,905.44
  4. Step 4: Simplify right side
    121,366,833.12x = 7,384,039,901,209,847
  5. Step 5: Solve for x
    x = 7,384,039,901,209,847/121,366,833.12
  6. Step 6: Final answer
    x = 60,840,673.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.