Home / 126,285,141.87-174,177,466.29-108,673,728.39

Finding the Fourth Proportional to 126,285,141.87, 174,177,466.29 and 108,673,728.39

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Solution

The fourth proportional to 126,285,141.87, 174,177,466.29 and 108,673,728.39 is: 149,887,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,285,141.87 : 174,177,466.29 = 108,673,728.39 : x
  2. Step 2: Convert to fraction form
    126,285,141.87/174,177,466.29 = 108,673,728.39/x
  3. Step 3: Cross multiply
    126,285,141.87x = 174,177,466.29 × 108,673,728.39
  4. Step 4: Simplify right side
    126,285,141.87x = 18,928,514,663,257,840
  5. Step 5: Solve for x
    x = 18,928,514,663,257,840/126,285,141.87
  6. Step 6: Final answer
    x = 149,887,107.72

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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.