Home / 55,149,745.70-82,724,618.55-16,811,198.30

Finding the Fourth Proportional to 55,149,745.70, 82,724,618.55 and 16,811,198.30

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Solution

The fourth proportional to 55,149,745.70, 82,724,618.55 and 16,811,198.30 is: 25,216,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149,745.70 : 82,724,618.55 = 16,811,198.30 : x
  2. Step 2: Convert to fraction form
    55,149,745.70/82,724,618.55 = 16,811,198.30/x
  3. Step 3: Cross multiply
    55,149,745.70x = 82,724,618.55 × 16,811,198.30
  4. Step 4: Simplify right side
    55,149,745.70x = 1,390,699,966,735,908.50
  5. Step 5: Solve for x
    x = 1,390,699,966,735,908.50/55,149,745.70
  6. Step 6: Final answer
    x = 25,216,797.45

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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.