Home / 240,743,311.20-361,114,966.80-154,649,869.20

Finding the Fourth Proportional to 240,743,311.20, 361,114,966.80 and 154,649,869.20

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Solution

The fourth proportional to 240,743,311.20, 361,114,966.80 and 154,649,869.20 is: 231,974,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,743,311.20 : 361,114,966.80 = 154,649,869.20 : x
  2. Step 2: Convert to fraction form
    240,743,311.20/361,114,966.80 = 154,649,869.20/x
  3. Step 3: Cross multiply
    240,743,311.20x = 361,114,966.80 × 154,649,869.20
  4. Step 4: Simplify right side
    240,743,311.20x = 55,846,382,381,782,344
  5. Step 5: Solve for x
    x = 55,846,382,381,782,344/240,743,311.20
  6. Step 6: Final answer
    x = 231,974,803.80

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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.