Home / 179,630,139.40-269,445,209.10-161,490,286.60

Finding the Fourth Proportional to 179,630,139.40, 269,445,209.10 and 161,490,286.60

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Solution

The fourth proportional to 179,630,139.40, 269,445,209.10 and 161,490,286.60 is: 242,235,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630,139.40 : 269,445,209.10 = 161,490,286.60 : x
  2. Step 2: Convert to fraction form
    179,630,139.40/269,445,209.10 = 161,490,286.60/x
  3. Step 3: Cross multiply
    179,630,139.40x = 269,445,209.10 × 161,490,286.60
  4. Step 4: Simplify right side
    179,630,139.40x = 43,512,784,040,555,928
  5. Step 5: Solve for x
    x = 43,512,784,040,555,928/179,630,139.40
  6. Step 6: Final answer
    x = 242,235,429.90

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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.