Home / 220,493,999.70-330,740,999.55-154,737,033.30

Finding the Fourth Proportional to 220,493,999.70, 330,740,999.55 and 154,737,033.30

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Solution

The fourth proportional to 220,493,999.70, 330,740,999.55 and 154,737,033.30 is: 232,105,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,493,999.70 : 330,740,999.55 = 154,737,033.30 : x
  2. Step 2: Convert to fraction form
    220,493,999.70/330,740,999.55 = 154,737,033.30/x
  3. Step 3: Cross multiply
    220,493,999.70x = 330,740,999.55 × 154,737,033.30
  4. Step 4: Simplify right side
    220,493,999.70x = 51,177,881,061,043,640
  5. Step 5: Solve for x
    x = 51,177,881,061,043,640/220,493,999.70
  6. Step 6: Final answer
    x = 232,105,549.95

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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.