Home / 311,878,218.90-467,313,443.55-196,656,561.30

Finding the Fourth Proportional to 311,878,218.90, 467,313,443.55 and 196,656,561.30

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Solution

The fourth proportional to 311,878,218.90, 467,313,443.55 and 196,656,561.30 is: 294,667,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,878,218.90 : 467,313,443.55 = 196,656,561.30 : x
  2. Step 2: Convert to fraction form
    311,878,218.90/467,313,443.55 = 196,656,561.30/x
  3. Step 3: Cross multiply
    311,878,218.90x = 467,313,443.55 × 196,656,561.30
  4. Step 4: Simplify right side
    311,878,218.90x = 91,900,254,857,804,672
  5. Step 5: Solve for x
    x = 91,900,254,857,804,672/311,878,218.90
  6. Step 6: Final answer
    x = 294,667,114.56

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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.