Home / 51,892,149.41-71,612,660.90-28,688,771.04

Finding the Fourth Proportional to 51,892,149.41, 71,612,660.90 and 28,688,771.04

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Solution

The fourth proportional to 51,892,149.41, 71,612,660.90 and 28,688,771.04 is: 39,591,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892,149.41 : 71,612,660.90 = 28,688,771.04 : x
  2. Step 2: Convert to fraction form
    51,892,149.41/71,612,660.90 = 28,688,771.04/x
  3. Step 3: Cross multiply
    51,892,149.41x = 71,612,660.90 × 28,688,771.04
  4. Step 4: Simplify right side
    51,892,149.41x = 2,054,479,231,981,816.25
  5. Step 5: Solve for x
    x = 2,054,479,231,981,816.25/51,892,149.41
  6. Step 6: Final answer
    x = 39,591,330.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.