Home / 281,261,894.82-388,275,993.63-187,332,357.30

Finding the Fourth Proportional to 281,261,894.82, 388,275,993.63 and 187,332,357.30

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Solution

The fourth proportional to 281,261,894.82, 388,275,993.63 and 187,332,357.30 is: 258,608,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,261,894.82 : 388,275,993.63 = 187,332,357.30 : x
  2. Step 2: Convert to fraction form
    281,261,894.82/388,275,993.63 = 187,332,357.30/x
  3. Step 3: Cross multiply
    281,261,894.82x = 388,275,993.63 × 187,332,357.30
  4. Step 4: Simplify right side
    281,261,894.82x = 72,736,657,169,707,680
  5. Step 5: Solve for x
    x = 72,736,657,169,707,680/281,261,894.82
  6. Step 6: Final answer
    x = 258,608,288.25

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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.