Home / 327,743,364.38-491,295,516.75-130,948,104.87

Finding the Fourth Proportional to 327,743,364.38, 491,295,516.75 and 130,948,104.87

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Solution

The fourth proportional to 327,743,364.38, 491,295,516.75 and 130,948,104.87 is: 196,294,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,743,364.38 : 491,295,516.75 = 130,948,104.87 : x
  2. Step 2: Convert to fraction form
    327,743,364.38/491,295,516.75 = 130,948,104.87/x
  3. Step 3: Cross multiply
    327,743,364.38x = 491,295,516.75 × 130,948,104.87
  4. Step 4: Simplify right side
    327,743,364.38x = 64,334,216,849,539,840
  5. Step 5: Solve for x
    x = 64,334,216,849,539,840/327,743,364.38
  6. Step 6: Final answer
    x = 196,294,490.88

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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.