Home / 307,613,687.45-461,441,103.10-108,169,143.96

Finding the Fourth Proportional to 307,613,687.45, 461,441,103.10 and 108,169,143.96

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Solution

The fourth proportional to 307,613,687.45, 461,441,103.10 and 108,169,143.96 is: 162,260,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,613,687.45 : 461,441,103.10 = 108,169,143.96 : x
  2. Step 2: Convert to fraction form
    307,613,687.45/461,441,103.10 = 108,169,143.96/x
  3. Step 3: Cross multiply
    307,613,687.45x = 461,441,103.10 × 108,169,143.96
  4. Step 4: Simplify right side
    307,613,687.45x = 49,913,689,110,285,104
  5. Step 5: Solve for x
    x = 49,913,689,110,285,104/307,613,687.45
  6. Step 6: Final answer
    x = 162,260,949.84

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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.