Home / 279,936,609.70-419,904,914.55-98,160,168.10

Finding the Fourth Proportional to 279,936,609.70, 419,904,914.55 and 98,160,168.10

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Solution

The fourth proportional to 279,936,609.70, 419,904,914.55 and 98,160,168.10 is: 147,240,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,609.70 : 419,904,914.55 = 98,160,168.10 : x
  2. Step 2: Convert to fraction form
    279,936,609.70/419,904,914.55 = 98,160,168.10/x
  3. Step 3: Cross multiply
    279,936,609.70x = 419,904,914.55 × 98,160,168.10
  4. Step 4: Simplify right side
    279,936,609.70x = 41,217,936,998,244,136
  5. Step 5: Solve for x
    x = 41,217,936,998,244,136/279,936,609.70
  6. Step 6: Final answer
    x = 147,240,252.15

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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.