Home / 171,072,845.40-256,105,383.30-161,107,123.80

Finding the Fourth Proportional to 171,072,845.40, 256,105,383.30 and 161,107,123.80

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Solution

The fourth proportional to 171,072,845.40, 256,105,383.30 and 161,107,123.80 is: 241,186,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,845.40 : 256,105,383.30 = 161,107,123.80 : x
  2. Step 2: Convert to fraction form
    171,072,845.40/256,105,383.30 = 161,107,123.80/x
  3. Step 3: Cross multiply
    171,072,845.40x = 256,105,383.30 × 161,107,123.80
  4. Step 4: Simplify right side
    171,072,845.40x = 41,260,401,693,159,560
  5. Step 5: Solve for x
    x = 41,260,401,693,159,560/171,072,845.40
  6. Step 6: Final answer
    x = 241,186,154.33

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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.