Home / 281,440,076.76-421,566,218.19-225,806,708.70

Finding the Fourth Proportional to 281,440,076.76, 421,566,218.19 and 225,806,708.70

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Solution

The fourth proportional to 281,440,076.76, 421,566,218.19 and 225,806,708.70 is: 338,233,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,440,076.76 : 421,566,218.19 = 225,806,708.70 : x
  2. Step 2: Convert to fraction form
    281,440,076.76/421,566,218.19 = 225,806,708.70/x
  3. Step 3: Cross multiply
    281,440,076.76x = 421,566,218.19 × 225,806,708.70
  4. Step 4: Simplify right side
    281,440,076.76x = 95,192,480,228,589,968
  5. Step 5: Solve for x
    x = 95,192,480,228,589,968/281,440,076.76
  6. Step 6: Final answer
    x = 338,233,564.05

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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.