Home / 279,936,551.90-419,904,827.85-98,202,100.70

Finding the Fourth Proportional to 279,936,551.90, 419,904,827.85 and 98,202,100.70

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Solution

The fourth proportional to 279,936,551.90, 419,904,827.85 and 98,202,100.70 is: 147,303,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,551.90 : 419,904,827.85 = 98,202,100.70 : x
  2. Step 2: Convert to fraction form
    279,936,551.90/419,904,827.85 = 98,202,100.70/x
  3. Step 3: Cross multiply
    279,936,551.90x = 419,904,827.85 × 98,202,100.70
  4. Step 4: Simplify right side
    279,936,551.90x = 41,235,536,188,941,872
  5. Step 5: Solve for x
    x = 41,235,536,188,941,872/279,936,551.90
  6. Step 6: Final answer
    x = 147,303,151.05

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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.