Home / 48,161,781-66,463,257.78-28,846,197

Finding the Fourth Proportional to 48,161,781, 66,463,257.78 and 28,846,197

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Solution

The fourth proportional to 48,161,781, 66,463,257.78 and 28,846,197 is: 39,807,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161,781 : 66,463,257.78 = 28,846,197 : x
  2. Step 2: Convert to fraction form
    48,161,781/66,463,257.78 = 28,846,197/x
  3. Step 3: Cross multiply
    48,161,781x = 66,463,257.78 × 28,846,197
  4. Step 4: Simplify right side
    48,161,781x = 1,917,212,227,183,662.75
  5. Step 5: Solve for x
    x = 1,917,212,227,183,662.75/48,161,781
  6. Step 6: Final answer
    x = 39,807,751.86

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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.