Home / 51,204,527.10-76,806,868.41-20,912,390.10

Finding the Fourth Proportional to 51,204,527.10, 76,806,868.41 and 20,912,390.10

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Solution

The fourth proportional to 51,204,527.10, 76,806,868.41 and 20,912,390.10 is: 31,368,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,527.10 : 76,806,868.41 = 20,912,390.10 : x
  2. Step 2: Convert to fraction form
    51,204,527.10/76,806,868.41 = 20,912,390.10/x
  3. Step 3: Cross multiply
    51,204,527.10x = 76,806,868.41 × 20,912,390.10
  4. Step 4: Simplify right side
    51,204,527.10x = 1,606,215,194,549,286.75
  5. Step 5: Solve for x
    x = 1,606,215,194,549,286.75/51,204,527.10
  6. Step 6: Final answer
    x = 31,368,616.91

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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.