Home / 327,334,126.68-491,065,871.82-120,074,461.72

Finding the Fourth Proportional to 327,334,126.68, 491,065,871.82 and 120,074,461.72

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Solution

The fourth proportional to 327,334,126.68, 491,065,871.82 and 120,074,461.72 is: 180,135,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,334,126.68 : 491,065,871.82 = 120,074,461.72 : x
  2. Step 2: Convert to fraction form
    327,334,126.68/491,065,871.82 = 120,074,461.72/x
  3. Step 3: Cross multiply
    327,334,126.68x = 491,065,871.82 × 120,074,461.72
  4. Step 4: Simplify right side
    327,334,126.68x = 58,964,470,227,849,016
  5. Step 5: Solve for x
    x = 58,964,470,227,849,016/327,334,126.68
  6. Step 6: Final answer
    x = 180,135,419.51

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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.