Home / 220,828,900.20-331,259,096.70-67,474,710.60

Finding the Fourth Proportional to 220,828,900.20, 331,259,096.70 and 67,474,710.60

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Solution

The fourth proportional to 220,828,900.20, 331,259,096.70 and 67,474,710.60 is: 101,216,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828,900.20 : 331,259,096.70 = 67,474,710.60 : x
  2. Step 2: Convert to fraction form
    220,828,900.20/331,259,096.70 = 67,474,710.60/x
  3. Step 3: Cross multiply
    220,828,900.20x = 331,259,096.70 × 67,474,710.60
  4. Step 4: Simplify right side
    220,828,900.20x = 22,351,611,683,449,912
  5. Step 5: Solve for x
    x = 22,351,611,683,449,912/220,828,900.20
  6. Step 6: Final answer
    x = 101,216,877.24

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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.