Home / 205,383,478.91-307,338,807.16-177,812,233.76

Finding the Fourth Proportional to 205,383,478.91, 307,338,807.16 and 177,812,233.76

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Solution

The fourth proportional to 205,383,478.91, 307,338,807.16 and 177,812,233.76 is: 266,080,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,383,478.91 : 307,338,807.16 = 177,812,233.76 : x
  2. Step 2: Convert to fraction form
    205,383,478.91/307,338,807.16 = 177,812,233.76/x
  3. Step 3: Cross multiply
    205,383,478.91x = 307,338,807.16 × 177,812,233.76
  4. Step 4: Simplify right side
    205,383,478.91x = 54,648,599,823,244,088
  5. Step 5: Solve for x
    x = 54,648,599,823,244,088/205,383,478.91
  6. Step 6: Final answer
    x = 266,080,797.32

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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.