Home / 51,204,369.60-76,806,632.16-20,912,232.60

Finding the Fourth Proportional to 51,204,369.60, 76,806,632.16 and 20,912,232.60

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Solution

The fourth proportional to 51,204,369.60, 76,806,632.16 and 20,912,232.60 is: 31,368,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,369.60 : 76,806,632.16 = 20,912,232.60 : x
  2. Step 2: Convert to fraction form
    51,204,369.60/76,806,632.16 = 20,912,232.60/x
  3. Step 3: Cross multiply
    51,204,369.60x = 76,806,632.16 × 20,912,232.60
  4. Step 4: Simplify right side
    51,204,369.60x = 1,606,198,156,952,560.50
  5. Step 5: Solve for x
    x = 1,606,198,156,952,560.50/51,204,369.60
  6. Step 6: Final answer
    x = 31,368,380.66

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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.