Home / 43,560,096.90-65,340,145.35-20,885,280.90

Finding the Fourth Proportional to 43,560,096.90, 65,340,145.35 and 20,885,280.90

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Solution

The fourth proportional to 43,560,096.90, 65,340,145.35 and 20,885,280.90 is: 31,327,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560,096.90 : 65,340,145.35 = 20,885,280.90 : x
  2. Step 2: Convert to fraction form
    43,560,096.90/65,340,145.35 = 20,885,280.90/x
  3. Step 3: Cross multiply
    43,560,096.90x = 65,340,145.35 × 20,885,280.90
  4. Step 4: Simplify right side
    43,560,096.90x = 1,364,647,289,681,578.75
  5. Step 5: Solve for x
    x = 1,364,647,289,681,578.75/43,560,096.90
  6. Step 6: Final answer
    x = 31,327,921.35

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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.