Home / 352,159,069.40-485,970,268.65-195,522,149.06

Finding the Fourth Proportional to 352,159,069.40, 485,970,268.65 and 195,522,149.06

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Solution

The fourth proportional to 352,159,069.40, 485,970,268.65 and 195,522,149.06 is: 269,815,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,159,069.40 : 485,970,268.65 = 195,522,149.06 : x
  2. Step 2: Convert to fraction form
    352,159,069.40/485,970,268.65 = 195,522,149.06/x
  3. Step 3: Cross multiply
    352,159,069.40x = 485,970,268.65 × 195,522,149.06
  4. Step 4: Simplify right side
    352,159,069.40x = 95,017,951,304,372,880
  5. Step 5: Solve for x
    x = 95,017,951,304,372,880/352,159,069.40
  6. Step 6: Final answer
    x = 269,815,431.61

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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.