Home / 171,072,932.90-256,105,514.55-161,107,211.30

Finding the Fourth Proportional to 171,072,932.90, 256,105,514.55 and 161,107,211.30

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Solution

The fourth proportional to 171,072,932.90, 256,105,514.55 and 161,107,211.30 is: 241,186,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,932.90 : 256,105,514.55 = 161,107,211.30 : x
  2. Step 2: Convert to fraction form
    171,072,932.90/256,105,514.55 = 161,107,211.30/x
  3. Step 3: Cross multiply
    171,072,932.90x = 256,105,514.55 × 161,107,211.30
  4. Step 4: Simplify right side
    171,072,932.90x = 41,260,445,247,702,080
  5. Step 5: Solve for x
    x = 41,260,445,247,702,080/171,072,932.90
  6. Step 6: Final answer
    x = 241,186,285.57

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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.