Home / 75,481,240.10-113,209,249.13-20,899,343.42

Finding the Fourth Proportional to 75,481,240.10, 113,209,249.13 and 20,899,343.42

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Solution

The fourth proportional to 75,481,240.10, 113,209,249.13 and 20,899,343.42 is: 31,345,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481,240.10 : 113,209,249.13 = 20,899,343.42 : x
  2. Step 2: Convert to fraction form
    75,481,240.10/113,209,249.13 = 20,899,343.42/x
  3. Step 3: Cross multiply
    75,481,240.10x = 113,209,249.13 × 20,899,343.42
  4. Step 4: Simplify right side
    75,481,240.10x = 2,365,998,975,888,206.50
  5. Step 5: Solve for x
    x = 2,365,998,975,888,206.50/75,481,240.10
  6. Step 6: Final answer
    x = 31,345,523.37

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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.