Home / 220,828,891.20-331,259,083.20-67,474,701.60

Finding the Fourth Proportional to 220,828,891.20, 331,259,083.20 and 67,474,701.60

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Solution

The fourth proportional to 220,828,891.20, 331,259,083.20 and 67,474,701.60 is: 101,216,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828,891.20 : 331,259,083.20 = 67,474,701.60 : x
  2. Step 2: Convert to fraction form
    220,828,891.20/331,259,083.20 = 67,474,701.60/x
  3. Step 3: Cross multiply
    220,828,891.20x = 331,259,083.20 × 67,474,701.60
  4. Step 4: Simplify right side
    220,828,891.20x = 22,351,607,791,209,572
  5. Step 5: Solve for x
    x = 22,351,607,791,209,572/220,828,891.20
  6. Step 6: Final answer
    x = 101,216,863.74

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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.