Home / 256,440,100.52-383,740,676.82-222,014,912.60

Finding the Fourth Proportional to 256,440,100.52, 383,740,676.82 and 222,014,912.60

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Solution

The fourth proportional to 256,440,100.52, 383,740,676.82 and 222,014,912.60 is: 332,226,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,440,100.52 : 383,740,676.82 = 222,014,912.60 : x
  2. Step 2: Convert to fraction form
    256,440,100.52/383,740,676.82 = 222,014,912.60/x
  3. Step 3: Cross multiply
    256,440,100.52x = 383,740,676.82 × 222,014,912.60
  4. Step 4: Simplify right side
    256,440,100.52x = 85,196,152,825,257,136
  5. Step 5: Solve for x
    x = 85,196,152,825,257,136/256,440,100.52
  6. Step 6: Final answer
    x = 332,226,327.52

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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.