Home / 239,258,898.32-358,952,144.97-85,906,283.36

Finding the Fourth Proportional to 239,258,898.32, 358,952,144.97 and 85,906,283.36

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Solution

The fourth proportional to 239,258,898.32, 358,952,144.97 and 85,906,283.36 is: 128,882,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,258,898.32 : 358,952,144.97 = 85,906,283.36 : x
  2. Step 2: Convert to fraction form
    239,258,898.32/358,952,144.97 = 85,906,283.36/x
  3. Step 3: Cross multiply
    239,258,898.32x = 358,952,144.97 × 85,906,283.36
  4. Step 4: Simplify right side
    239,258,898.32x = 30,836,244,678,472,620
  5. Step 5: Solve for x
    x = 30,836,244,678,472,620/239,258,898.32
  6. Step 6: Final answer
    x = 128,882,331.63

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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.