Home / 103,586,760-155,367,738.24-80,580,680

Finding the Fourth Proportional to 103,586,760, 155,367,738.24 and 80,580,680

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Solution

The fourth proportional to 103,586,760, 155,367,738.24 and 80,580,680 is: 120,861,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586,760 : 155,367,738.24 = 80,580,680 : x
  2. Step 2: Convert to fraction form
    103,586,760/155,367,738.24 = 80,580,680/x
  3. Step 3: Cross multiply
    103,586,760x = 155,367,738.24 × 80,580,680
  4. Step 4: Simplify right side
    103,586,760x = 12,519,637,997,441,204
  5. Step 5: Solve for x
    x = 12,519,637,997,441,204/103,586,760
  6. Step 6: Final answer
    x = 120,861,372.61

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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.