Home / 221,392,826.28-331,801,190.44-90,082,074.60

Finding the Fourth Proportional to 221,392,826.28, 331,801,190.44 and 90,082,074.60

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Solution

The fourth proportional to 221,392,826.28, 331,801,190.44 and 90,082,074.60 is: 135,005,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,826.28 : 331,801,190.44 = 90,082,074.60 : x
  2. Step 2: Convert to fraction form
    221,392,826.28/331,801,190.44 = 90,082,074.60/x
  3. Step 3: Cross multiply
    221,392,826.28x = 331,801,190.44 × 90,082,074.60
  4. Step 4: Simplify right side
    221,392,826.28x = 29,889,339,589,584,884
  5. Step 5: Solve for x
    x = 29,889,339,589,584,884/221,392,826.28
  6. Step 6: Final answer
    x = 135,005,908.24

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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.