Home / 443,942,105.04-665,976,963.28-137,258,132.76

Finding the Fourth Proportional to 443,942,105.04, 665,976,963.28 and 137,258,132.76

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Solution

The fourth proportional to 443,942,105.04, 665,976,963.28 and 137,258,132.76 is: 205,906,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,942,105.04 : 665,976,963.28 = 137,258,132.76 : x
  2. Step 2: Convert to fraction form
    443,942,105.04/665,976,963.28 = 137,258,132.76/x
  3. Step 3: Cross multiply
    443,942,105.04x = 665,976,963.28 × 137,258,132.76
  4. Step 4: Simplify right side
    443,942,105.04x = 91,410,754,440,987,872
  5. Step 5: Solve for x
    x = 91,410,754,440,987,872/443,942,105.04
  6. Step 6: Final answer
    x = 205,906,926.61

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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.