Home / 43,560,147.40-65,340,221.10-20,885,331.40

Finding the Fourth Proportional to 43,560,147.40, 65,340,221.10 and 20,885,331.40

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Solution

The fourth proportional to 43,560,147.40, 65,340,221.10 and 20,885,331.40 is: 31,327,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560,147.40 : 65,340,221.10 = 20,885,331.40 : x
  2. Step 2: Convert to fraction form
    43,560,147.40/65,340,221.10 = 20,885,331.40/x
  3. Step 3: Cross multiply
    43,560,147.40x = 65,340,221.10 × 20,885,331.40
  4. Step 4: Simplify right side
    43,560,147.40x = 1,364,652,171,422,772.50
  5. Step 5: Solve for x
    x = 1,364,652,171,422,772.50/43,560,147.40
  6. Step 6: Final answer
    x = 31,327,997.10

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1.5x scale

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.