Home / 218,269,260.20-327,403,890.30-189,571,446.20

Finding the Fourth Proportional to 218,269,260.20, 327,403,890.30 and 189,571,446.20

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Solution

The fourth proportional to 218,269,260.20, 327,403,890.30 and 189,571,446.20 is: 284,357,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,269,260.20 : 327,403,890.30 = 189,571,446.20 : x
  2. Step 2: Convert to fraction form
    218,269,260.20/327,403,890.30 = 189,571,446.20/x
  3. Step 3: Cross multiply
    218,269,260.20x = 327,403,890.30 × 189,571,446.20
  4. Step 4: Simplify right side
    218,269,260.20x = 62,066,428,975,677,152
  5. Step 5: Solve for x
    x = 62,066,428,975,677,152/218,269,260.20
  6. Step 6: Final answer
    x = 284,357,169.30

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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.