Home / 311,171,699.10-429,441,433.92-177,215,268.90

Finding the Fourth Proportional to 311,171,699.10, 429,441,433.92 and 177,215,268.90

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Solution

The fourth proportional to 311,171,699.10, 429,441,433.92 and 177,215,268.90 is: 244,571,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,171,699.10 : 429,441,433.92 = 177,215,268.90 : x
  2. Step 2: Convert to fraction form
    311,171,699.10/429,441,433.92 = 177,215,268.90/x
  3. Step 3: Cross multiply
    311,171,699.10x = 429,441,433.92 × 177,215,268.90
  4. Step 4: Simplify right side
    311,171,699.10x = 76,103,579,188,934,384
  5. Step 5: Solve for x
    x = 76,103,579,188,934,384/311,171,699.10
  6. Step 6: Final answer
    x = 244,571,017.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.