Home / 190,120,399.31-284,689,452.85-131,214,544.70

Finding the Fourth Proportional to 190,120,399.31, 284,689,452.85 and 131,214,544.70

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Solution

The fourth proportional to 190,120,399.31, 284,689,452.85 and 131,214,544.70 is: 196,482,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,120,399.31 : 284,689,452.85 = 131,214,544.70 : x
  2. Step 2: Convert to fraction form
    190,120,399.31/284,689,452.85 = 131,214,544.70/x
  3. Step 3: Cross multiply
    190,120,399.31x = 284,689,452.85 × 131,214,544.70
  4. Step 4: Simplify right side
    190,120,399.31x = 37,355,396,934,853,384
  5. Step 5: Solve for x
    x = 37,355,396,934,853,384/190,120,399.31
  6. Step 6: Final answer
    x = 196,482,844.92

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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.