Home / 228,474,860.78-342,761,456.39-70,904,763.26

Finding the Fourth Proportional to 228,474,860.78, 342,761,456.39 and 70,904,763.26

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Solution

The fourth proportional to 228,474,860.78, 342,761,456.39 and 70,904,763.26 is: 106,372,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,474,860.78 : 342,761,456.39 = 70,904,763.26 : x
  2. Step 2: Convert to fraction form
    228,474,860.78/342,761,456.39 = 70,904,763.26/x
  3. Step 3: Cross multiply
    228,474,860.78x = 342,761,456.39 × 70,904,763.26
  4. Step 4: Simplify right side
    228,474,860.78x = 24,303,419,919,985,764
  5. Step 5: Solve for x
    x = 24,303,419,919,985,764/228,474,860.78
  6. Step 6: Final answer
    x = 106,372,402.80

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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.