Home / 189,463,650.20-284,195,309.10-71,310,485.46

Finding the Fourth Proportional to 189,463,650.20, 284,195,309.10 and 71,310,485.46

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Solution

The fourth proportional to 189,463,650.20, 284,195,309.10 and 71,310,485.46 is: 106,965,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,463,650.20 : 284,195,309.10 = 71,310,485.46 : x
  2. Step 2: Convert to fraction form
    189,463,650.20/284,195,309.10 = 71,310,485.46/x
  3. Step 3: Cross multiply
    189,463,650.20x = 284,195,309.10 × 71,310,485.46
  4. Step 4: Simplify right side
    189,463,650.20x = 20,266,105,457,375,756
  5. Step 5: Solve for x
    x = 20,266,105,457,375,756/189,463,650.20
  6. Step 6: Final answer
    x = 106,965,665.64

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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.