Home / 166,617,475.27-250,087,417.28-80,416,564.09

Finding the Fourth Proportional to 166,617,475.27, 250,087,417.28 and 80,416,564.09

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Solution

The fourth proportional to 166,617,475.27, 250,087,417.28 and 80,416,564.09 is: 120,702,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617,475.27 : 250,087,417.28 = 80,416,564.09 : x
  2. Step 2: Convert to fraction form
    166,617,475.27/250,087,417.28 = 80,416,564.09/x
  3. Step 3: Cross multiply
    166,617,475.27x = 250,087,417.28 × 80,416,564.09
  4. Step 4: Simplify right side
    166,617,475.27x = 20,111,170,819,073,956
  5. Step 5: Solve for x
    x = 20,111,170,819,073,956/166,617,475.27
  6. Step 6: Final answer
    x = 120,702,650.11

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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.