Home / 143,496,084.65-198,030,867.82-80,776,229.75

Finding the Fourth Proportional to 143,496,084.65, 198,030,867.82 and 80,776,229.75

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Solution

The fourth proportional to 143,496,084.65, 198,030,867.82 and 80,776,229.75 is: 111,474,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,496,084.65 : 198,030,867.82 = 80,776,229.75 : x
  2. Step 2: Convert to fraction form
    143,496,084.65/198,030,867.82 = 80,776,229.75/x
  3. Step 3: Cross multiply
    143,496,084.65x = 198,030,867.82 × 80,776,229.75
  4. Step 4: Simplify right side
    143,496,084.65x = 15,996,186,876,216,320
  5. Step 5: Solve for x
    x = 15,996,186,876,216,320/143,496,084.65
  6. Step 6: Final answer
    x = 111,474,727.10

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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.