Home / 327,217,208.40-490,825,812.60-84,880,112.40

Finding the Fourth Proportional to 327,217,208.40, 490,825,812.60 and 84,880,112.40

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Solution

The fourth proportional to 327,217,208.40, 490,825,812.60 and 84,880,112.40 is: 127,320,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,217,208.40 : 490,825,812.60 = 84,880,112.40 : x
  2. Step 2: Convert to fraction form
    327,217,208.40/490,825,812.60 = 84,880,112.40/x
  3. Step 3: Cross multiply
    327,217,208.40x = 490,825,812.60 × 84,880,112.40
  4. Step 4: Simplify right side
    327,217,208.40x = 41,661,350,142,309,344
  5. Step 5: Solve for x
    x = 41,661,350,142,309,344/327,217,208.40
  6. Step 6: Final answer
    x = 127,320,168.60

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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.