Home / 239,258,897.82-358,952,144.22-85,906,282.86

Finding the Fourth Proportional to 239,258,897.82, 358,952,144.22 and 85,906,282.86

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Solution

The fourth proportional to 239,258,897.82, 358,952,144.22 and 85,906,282.86 is: 128,882,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,258,897.82 : 358,952,144.22 = 85,906,282.86 : x
  2. Step 2: Convert to fraction form
    239,258,897.82/358,952,144.22 = 85,906,282.86/x
  3. Step 3: Cross multiply
    239,258,897.82x = 358,952,144.22 × 85,906,282.86
  4. Step 4: Simplify right side
    239,258,897.82x = 30,836,244,434,566,836
  5. Step 5: Solve for x
    x = 30,836,244,434,566,836/239,258,897.82
  6. Step 6: Final answer
    x = 128,882,330.88

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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.