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Finding the Fourth Proportional to 171,073,190.40, 256,105,900.80 and 161,107,468.80

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Solution

The fourth proportional to 171,073,190.40, 256,105,900.80 and 161,107,468.80 is: 241,186,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,190.40 : 256,105,900.80 = 161,107,468.80 : x
  2. Step 2: Convert to fraction form
    171,073,190.40/256,105,900.80 = 161,107,468.80/x
  3. Step 3: Cross multiply
    171,073,190.40x = 256,105,900.80 × 161,107,468.80
  4. Step 4: Simplify right side
    171,073,190.40x = 41,260,573,422,631,904
  5. Step 5: Solve for x
    x = 41,260,573,422,631,904/171,073,190.40
  6. Step 6: Final answer
    x = 241,186,671.78

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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.