Home / 132,326,921.10-198,702,958.05-100,015,308.30

Finding the Fourth Proportional to 132,326,921.10, 198,702,958.05 and 100,015,308.30

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Solution

The fourth proportional to 132,326,921.10, 198,702,958.05 and 100,015,308.30 is: 150,183,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326,921.10 : 198,702,958.05 = 100,015,308.30 : x
  2. Step 2: Convert to fraction form
    132,326,921.10/198,702,958.05 = 100,015,308.30/x
  3. Step 3: Cross multiply
    132,326,921.10x = 198,702,958.05 × 100,015,308.30
  4. Step 4: Simplify right side
    132,326,921.10x = 19,873,337,609,492,716
  5. Step 5: Solve for x
    x = 19,873,337,609,492,716/132,326,921.10
  6. Step 6: Final answer
    x = 150,183,631.90

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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.