Home / 51,284,523.20-76,861,466.40-20,958,123.20

Finding the Fourth Proportional to 51,284,523.20, 76,861,466.40 and 20,958,123.20

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Solution

The fourth proportional to 51,284,523.20, 76,861,466.40 and 20,958,123.20 is: 31,410,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284,523.20 : 76,861,466.40 = 20,958,123.20 : x
  2. Step 2: Convert to fraction form
    51,284,523.20/76,861,466.40 = 20,958,123.20/x
  3. Step 3: Cross multiply
    51,284,523.20x = 76,861,466.40 × 20,958,123.20
  4. Step 4: Simplify right side
    51,284,523.20x = 1,610,872,082,143,860.50
  5. Step 5: Solve for x
    x = 1,610,872,082,143,860.50/51,284,523.20
  6. Step 6: Final answer
    x = 31,410,491.54

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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.