Home / 72,869,998.73-109,324,141.69-26,188,197.71

Finding the Fourth Proportional to 72,869,998.73, 109,324,141.69 and 26,188,197.71

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Solution

The fourth proportional to 72,869,998.73, 109,324,141.69 and 26,188,197.71 is: 39,289,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869,998.73 : 109,324,141.69 = 26,188,197.71 : x
  2. Step 2: Convert to fraction form
    72,869,998.73/109,324,141.69 = 26,188,197.71/x
  3. Step 3: Cross multiply
    72,869,998.73x = 109,324,141.69 × 26,188,197.71
  4. Step 4: Simplify right side
    72,869,998.73x = 2,863,002,236,724,594
  5. Step 5: Solve for x
    x = 2,863,002,236,724,594/72,869,998.73
  6. Step 6: Final answer
    x = 39,289,176.43

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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.