Home / 327,527,517.53-491,461,307.21-133,581,221.21

Finding the Fourth Proportional to 327,527,517.53, 491,461,307.21 and 133,581,221.21

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Solution

The fourth proportional to 327,527,517.53, 491,461,307.21 and 133,581,221.21 is: 200,441,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,527,517.53 : 491,461,307.21 = 133,581,221.21 : x
  2. Step 2: Convert to fraction form
    327,527,517.53/491,461,307.21 = 133,581,221.21/x
  3. Step 3: Cross multiply
    327,527,517.53x = 491,461,307.21 × 133,581,221.21
  4. Step 4: Simplify right side
    327,527,517.53x = 65,650,001,596,137,384
  5. Step 5: Solve for x
    x = 65,650,001,596,137,384/327,527,517.53
  6. Step 6: Final answer
    x = 200,441,178.47

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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.