Home / 281,740,991.20-422,611,486.80-195,647,549.20

Finding the Fourth Proportional to 281,740,991.20, 422,611,486.80 and 195,647,549.20

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Solution

The fourth proportional to 281,740,991.20, 422,611,486.80 and 195,647,549.20 is: 293,471,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,740,991.20 : 422,611,486.80 = 195,647,549.20 : x
  2. Step 2: Convert to fraction form
    281,740,991.20/422,611,486.80 = 195,647,549.20/x
  3. Step 3: Cross multiply
    281,740,991.20x = 422,611,486.80 × 195,647,549.20
  4. Step 4: Simplify right side
    281,740,991.20x = 82,682,901,656,188,144
  5. Step 5: Solve for x
    x = 82,682,901,656,188,144/281,740,991.20
  6. Step 6: Final answer
    x = 293,471,323.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.