Home / 51,585,490.92-71,187,974.76-28,380,119.72

Finding the Fourth Proportional to 51,585,490.92, 71,187,974.76 and 28,380,119.72

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Solution

The fourth proportional to 51,585,490.92, 71,187,974.76 and 28,380,119.72 is: 39,164,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,490.92 : 71,187,974.76 = 28,380,119.72 : x
  2. Step 2: Convert to fraction form
    51,585,490.92/71,187,974.76 = 28,380,119.72/x
  3. Step 3: Cross multiply
    51,585,490.92x = 71,187,974.76 × 28,380,119.72
  4. Step 4: Simplify right side
    51,585,490.92x = 2,020,323,246,313,138.25
  5. Step 5: Solve for x
    x = 2,020,323,246,313,138.25/51,585,490.92
  6. Step 6: Final answer
    x = 39,164,563.72

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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.