Home / 352,159,067.71-485,970,266.32-195,522,147.37

Finding the Fourth Proportional to 352,159,067.71, 485,970,266.32 and 195,522,147.37

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Solution

The fourth proportional to 352,159,067.71, 485,970,266.32 and 195,522,147.37 is: 269,815,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,159,067.71 : 485,970,266.32 = 195,522,147.37 : x
  2. Step 2: Convert to fraction form
    352,159,067.71/485,970,266.32 = 195,522,147.37/x
  3. Step 3: Cross multiply
    352,159,067.71x = 485,970,266.32 × 195,522,147.37
  4. Step 4: Simplify right side
    352,159,067.71x = 95,017,950,028,975,840
  5. Step 5: Solve for x
    x = 95,017,950,028,975,840/352,159,067.71
  6. Step 6: Final answer
    x = 269,815,429.28

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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.