Home / 277,043,257.20-415,290,781.80-131,220,512.40

Finding the Fourth Proportional to 277,043,257.20, 415,290,781.80 and 131,220,512.40

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Solution

The fourth proportional to 277,043,257.20, 415,290,781.80 and 131,220,512.40 is: 196,700,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,043,257.20 : 415,290,781.80 = 131,220,512.40 : x
  2. Step 2: Convert to fraction form
    277,043,257.20/415,290,781.80 = 131,220,512.40/x
  3. Step 3: Cross multiply
    277,043,257.20x = 415,290,781.80 × 131,220,512.40
  4. Step 4: Simplify right side
    277,043,257.20x = 54,494,669,182,792,600
  5. Step 5: Solve for x
    x = 54,494,669,182,792,600/277,043,257.20
  6. Step 6: Final answer
    x = 196,700,940.26

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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.