Home / 288,861,711.84-398,629,162.33-165,105,046.17

Finding the Fourth Proportional to 288,861,711.84, 398,629,162.33 and 165,105,046.17

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Solution

The fourth proportional to 288,861,711.84, 398,629,162.33 and 165,105,046.17 is: 227,844,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,861,711.84 : 398,629,162.33 = 165,105,046.17 : x
  2. Step 2: Convert to fraction form
    288,861,711.84/398,629,162.33 = 165,105,046.17/x
  3. Step 3: Cross multiply
    288,861,711.84x = 398,629,162.33 × 165,105,046.17
  4. Step 4: Simplify right side
    288,861,711.84x = 65,815,686,251,203,064
  5. Step 5: Solve for x
    x = 65,815,686,251,203,064/288,861,711.84
  6. Step 6: Final answer
    x = 227,844,963.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.