Home / 321,502,850.08-481,645,773.60-189,951,718.72

Finding the Fourth Proportional to 321,502,850.08, 481,645,773.60 and 189,951,718.72

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Solution

The fourth proportional to 321,502,850.08, 481,645,773.60 and 189,951,718.72 is: 284,568,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,502,850.08 : 481,645,773.60 = 189,951,718.72 : x
  2. Step 2: Convert to fraction form
    321,502,850.08/481,645,773.60 = 189,951,718.72/x
  3. Step 3: Cross multiply
    321,502,850.08x = 481,645,773.60 × 189,951,718.72
  4. Step 4: Simplify right side
    321,502,850.08x = 91,489,442,509,544,000
  5. Step 5: Solve for x
    x = 91,489,442,509,544,000/321,502,850.08
  6. Step 6: Final answer
    x = 284,568,060.55

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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.