Home / 171,338,593.44-256,789,540.08-80,261,415.84

Finding the Fourth Proportional to 171,338,593.44, 256,789,540.08 and 80,261,415.84

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Solution

The fourth proportional to 171,338,593.44, 256,789,540.08 and 80,261,415.84 is: 120,289,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,338,593.44 : 256,789,540.08 = 80,261,415.84 : x
  2. Step 2: Convert to fraction form
    171,338,593.44/256,789,540.08 = 80,261,415.84/x
  3. Step 3: Cross multiply
    171,338,593.44x = 256,789,540.08 × 80,261,415.84
  4. Step 4: Simplify right side
    171,338,593.44x = 20,610,292,059,723,228
  5. Step 5: Solve for x
    x = 20,610,292,059,723,228/171,338,593.44
  6. Step 6: Final answer
    x = 120,289,840.40

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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.