Home / 327,921,945.60-491,812,059.60-143,689,065.60

Finding the Fourth Proportional to 327,921,945.60, 491,812,059.60 and 143,689,065.60

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Solution

The fourth proportional to 327,921,945.60, 491,812,059.60 and 143,689,065.60 is: 215,502,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,921,945.60 : 491,812,059.60 = 143,689,065.60 : x
  2. Step 2: Convert to fraction form
    327,921,945.60/491,812,059.60 = 143,689,065.60/x
  3. Step 3: Cross multiply
    327,921,945.60x = 491,812,059.60 × 143,689,065.60
  4. Step 4: Simplify right side
    327,921,945.60x = 70,668,015,294,735,512
  5. Step 5: Solve for x
    x = 70,668,015,294,735,512/327,921,945.60
  6. Step 6: Final answer
    x = 215,502,549.44

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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.