Home / 51,284,449.20-76,861,355.40-20,958,049.20

Finding the Fourth Proportional to 51,284,449.20, 76,861,355.40 and 20,958,049.20

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Solution

The fourth proportional to 51,284,449.20, 76,861,355.40 and 20,958,049.20 is: 31,410,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284,449.20 : 76,861,355.40 = 20,958,049.20 : x
  2. Step 2: Convert to fraction form
    51,284,449.20/76,861,355.40 = 20,958,049.20/x
  3. Step 3: Cross multiply
    51,284,449.20x = 76,861,355.40 × 20,958,049.20
  4. Step 4: Simplify right side
    51,284,449.20x = 1,610,864,068,051,885.75
  5. Step 5: Solve for x
    x = 1,610,864,068,051,885.75/51,284,449.20
  6. Step 6: Final answer
    x = 31,410,380.60

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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.