Home / 166,617,475.83-250,087,417.52-80,416,564.65

Finding the Fourth Proportional to 166,617,475.83, 250,087,417.52 and 80,416,564.65

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Solution

The fourth proportional to 166,617,475.83, 250,087,417.52 and 80,416,564.65 is: 120,702,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617,475.83 : 250,087,417.52 = 80,416,564.65 : x
  2. Step 2: Convert to fraction form
    166,617,475.83/250,087,417.52 = 80,416,564.65/x
  3. Step 3: Cross multiply
    166,617,475.83x = 250,087,417.52 × 80,416,564.65
  4. Step 4: Simplify right side
    166,617,475.83x = 20,111,170,978,746,540
  5. Step 5: Solve for x
    x = 20,111,170,978,746,540/166,617,475.83
  6. Step 6: Final answer
    x = 120,702,650.66

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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.