Home / 279,936,610.70-419,904,916.05-98,160,169.10

Finding the Fourth Proportional to 279,936,610.70, 419,904,916.05 and 98,160,169.10

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Solution

The fourth proportional to 279,936,610.70, 419,904,916.05 and 98,160,169.10 is: 147,240,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,610.70 : 419,904,916.05 = 98,160,169.10 : x
  2. Step 2: Convert to fraction form
    279,936,610.70/419,904,916.05 = 98,160,169.10/x
  3. Step 3: Cross multiply
    279,936,610.70x = 419,904,916.05 × 98,160,169.10
  4. Step 4: Simplify right side
    279,936,610.70x = 41,217,937,565,389,304
  5. Step 5: Solve for x
    x = 41,217,937,565,389,304/279,936,610.70
  6. Step 6: Final answer
    x = 147,240,253.65

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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.