Home / 327,340,661.40-491,010,992.10-85,003,565.40

Finding the Fourth Proportional to 327,340,661.40, 491,010,992.10 and 85,003,565.40

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Solution

The fourth proportional to 327,340,661.40, 491,010,992.10 and 85,003,565.40 is: 127,505,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,340,661.40 : 491,010,992.10 = 85,003,565.40 : x
  2. Step 2: Convert to fraction form
    327,340,661.40/491,010,992.10 = 85,003,565.40/x
  3. Step 3: Cross multiply
    327,340,661.40x = 491,010,992.10 × 85,003,565.40
  4. Step 4: Simplify right side
    327,340,661.40x = 41,737,684,979,091,240
  5. Step 5: Solve for x
    x = 41,737,684,979,091,240/327,340,661.40
  6. Step 6: Final answer
    x = 127,505,348.10

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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.