Home / 67,161,745.20-100,574,656.20-53,724,817.20

Finding the Fourth Proportional to 67,161,745.20, 100,574,656.20 and 53,724,817.20

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Solution

The fourth proportional to 67,161,745.20, 100,574,656.20 and 53,724,817.20 is: 80,452,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161,745.20 : 100,574,656.20 = 53,724,817.20 : x
  2. Step 2: Convert to fraction form
    67,161,745.20/100,574,656.20 = 53,724,817.20/x
  3. Step 3: Cross multiply
    67,161,745.20x = 100,574,656.20 × 53,724,817.20
  4. Step 4: Simplify right side
    67,161,745.20x = 5,403,355,019,297,847
  5. Step 5: Solve for x
    x = 5,403,355,019,297,847/67,161,745.20
  6. Step 6: Final answer
    x = 80,452,867.97

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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.