Home / 206,679,936.69-309,912,257.48-97,475,786.36

Finding the Fourth Proportional to 206,679,936.69, 309,912,257.48 and 97,475,786.36

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Solution

The fourth proportional to 206,679,936.69, 309,912,257.48 and 97,475,786.36 is: 146,162,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,679,936.69 : 309,912,257.48 = 97,475,786.36 : x
  2. Step 2: Convert to fraction form
    206,679,936.69/309,912,257.48 = 97,475,786.36/x
  3. Step 3: Cross multiply
    206,679,936.69x = 309,912,257.48 × 97,475,786.36
  4. Step 4: Simplify right side
    206,679,936.69x = 30,208,941,000,465,792
  5. Step 5: Solve for x
    x = 30,208,941,000,465,792/206,679,936.69
  6. Step 6: Final answer
    x = 146,162,910.07

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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.