Home / 205,177,949.35-307,785,843.84-67,004,280.61

Finding the Fourth Proportional to 205,177,949.35, 307,785,843.84 and 67,004,280.61

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Solution

The fourth proportional to 205,177,949.35, 307,785,843.84 and 67,004,280.61 is: 100,512,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,177,949.35 : 307,785,843.84 = 67,004,280.61 : x
  2. Step 2: Convert to fraction form
    205,177,949.35/307,785,843.84 = 67,004,280.61/x
  3. Step 3: Cross multiply
    205,177,949.35x = 307,785,843.84 × 67,004,280.61
  4. Step 4: Simplify right side
    205,177,949.35x = 20,622,969,047,735,192
  5. Step 5: Solve for x
    x = 20,622,969,047,735,192/205,177,949.35
  6. Step 6: Final answer
    x = 100,512,599.49

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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.