Home / 81,076,159.68-111,885,160.68-43,906,728.48

Finding the Fourth Proportional to 81,076,159.68, 111,885,160.68 and 43,906,728.48

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Solution

The fourth proportional to 81,076,159.68, 111,885,160.68 and 43,906,728.48 is: 60,591,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,076,159.68 : 111,885,160.68 = 43,906,728.48 : x
  2. Step 2: Convert to fraction form
    81,076,159.68/111,885,160.68 = 43,906,728.48/x
  3. Step 3: Cross multiply
    81,076,159.68x = 111,885,160.68 × 43,906,728.48
  4. Step 4: Simplify right side
    81,076,159.68x = 4,912,511,370,917,932
  5. Step 5: Solve for x
    x = 4,912,511,370,917,932/81,076,159.68
  6. Step 6: Final answer
    x = 60,591,317.97

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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.