Home / 277,394,257.18-416,151,016.89-80,661,089.44

Finding the Fourth Proportional to 277,394,257.18, 416,151,016.89 and 80,661,089.44

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Solution

The fourth proportional to 277,394,257.18, 416,151,016.89 and 80,661,089.44 is: 121,008,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,394,257.18 : 416,151,016.89 = 80,661,089.44 : x
  2. Step 2: Convert to fraction form
    277,394,257.18/416,151,016.89 = 80,661,089.44/x
  3. Step 3: Cross multiply
    277,394,257.18x = 416,151,016.89 × 80,661,089.44
  4. Step 4: Simplify right side
    277,394,257.18x = 33,567,194,393,911,240
  5. Step 5: Solve for x
    x = 33,567,194,393,911,240/277,394,257.18
  6. Step 6: Final answer
    x = 121,008,973.78

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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.