Home / 198,904,408.26-298,354,512.87-77,734,810.50

Finding the Fourth Proportional to 198,904,408.26, 298,354,512.87 and 77,734,810.50

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Solution

The fourth proportional to 198,904,408.26, 298,354,512.87 and 77,734,810.50 is: 116,601,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,904,408.26 : 298,354,512.87 = 77,734,810.50 : x
  2. Step 2: Convert to fraction form
    198,904,408.26/298,354,512.87 = 77,734,810.50/x
  3. Step 3: Cross multiply
    198,904,408.26x = 298,354,512.87 × 77,734,810.50
  4. Step 4: Simplify right side
    198,904,408.26x = 23,192,531,519,769,260
  5. Step 5: Solve for x
    x = 23,192,531,519,769,260/198,904,408.26
  6. Step 6: Final answer
    x = 116,601,395.23

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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.