Home / 166,617,670.11-250,087,709.76-80,416,758.93

Finding the Fourth Proportional to 166,617,670.11, 250,087,709.76 and 80,416,758.93

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Solution

The fourth proportional to 166,617,670.11, 250,087,709.76 and 80,416,758.93 is: 120,702,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617,670.11 : 250,087,709.76 = 80,416,758.93 : x
  2. Step 2: Convert to fraction form
    166,617,670.11/250,087,709.76 = 80,416,758.93/x
  3. Step 3: Cross multiply
    166,617,670.11x = 250,087,709.76 × 80,416,758.93
  4. Step 4: Simplify right side
    166,617,670.11x = 20,111,243,067,125,728
  5. Step 5: Solve for x
    x = 20,111,243,067,125,728/166,617,670.11
  6. Step 6: Final answer
    x = 120,702,942.57

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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.