Home / 281,347,116.96-387,356,657.04-219,387,948.96

Finding the Fourth Proportional to 281,347,116.96, 387,356,657.04 and 219,387,948.96

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Solution

The fourth proportional to 281,347,116.96, 387,356,657.04 and 219,387,948.96 is: 302,051,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,347,116.96 : 387,356,657.04 = 219,387,948.96 : x
  2. Step 2: Convert to fraction form
    281,347,116.96/387,356,657.04 = 219,387,948.96/x
  3. Step 3: Cross multiply
    281,347,116.96x = 387,356,657.04 × 219,387,948.96
  4. Step 4: Simplify right side
    281,347,116.96x = 84,981,382,504,007,760
  5. Step 5: Solve for x
    x = 84,981,382,504,007,760/281,347,116.96
  6. Step 6: Final answer
    x = 302,051,726.79

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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.