Home / 221,145,223.26-305,290,893.09-137,540,302.95

Finding the Fourth Proportional to 221,145,223.26, 305,290,893.09 and 137,540,302.95

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Solution

The fourth proportional to 221,145,223.26, 305,290,893.09 and 137,540,302.95 is: 189,874,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,145,223.26 : 305,290,893.09 = 137,540,302.95 : x
  2. Step 2: Convert to fraction form
    221,145,223.26/305,290,893.09 = 137,540,302.95/x
  3. Step 3: Cross multiply
    221,145,223.26x = 305,290,893.09 × 137,540,302.95
  4. Step 4: Simplify right side
    221,145,223.26x = 41,989,801,923,474,656
  5. Step 5: Solve for x
    x = 41,989,801,923,474,656/221,145,223.26
  6. Step 6: Final answer
    x = 189,874,333.73

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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.