Home / 31,154,082.31-42,992,527.23-17,215,049.15

Finding the Fourth Proportional to 31,154,082.31, 42,992,527.23 and 17,215,049.15

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Solution

The fourth proportional to 31,154,082.31, 42,992,527.23 and 17,215,049.15 is: 23,756,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154,082.31 : 42,992,527.23 = 17,215,049.15 : x
  2. Step 2: Convert to fraction form
    31,154,082.31/42,992,527.23 = 17,215,049.15/x
  3. Step 3: Cross multiply
    31,154,082.31x = 42,992,527.23 × 17,215,049.15
  4. Step 4: Simplify right side
    31,154,082.31x = 740,118,469,132,200.62
  5. Step 5: Solve for x
    x = 740,118,469,132,200.62/31,154,082.31
  6. Step 6: Final answer
    x = 23,756,709.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.