Home / 214,014,706.20-321,032,556.90-111,978,034.20

Finding the Fourth Proportional to 214,014,706.20, 321,032,556.90 and 111,978,034.20

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Solution

The fourth proportional to 214,014,706.20, 321,032,556.90 and 111,978,034.20 is: 167,972,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,014,706.20 : 321,032,556.90 = 111,978,034.20 : x
  2. Step 2: Convert to fraction form
    214,014,706.20/321,032,556.90 = 111,978,034.20/x
  3. Step 3: Cross multiply
    214,014,706.20x = 321,032,556.90 × 111,978,034.20
  4. Step 4: Simplify right side
    214,014,706.20x = 35,948,594,635,861,644
  5. Step 5: Solve for x
    x = 35,948,594,635,861,644/214,014,706.20
  6. Step 6: Final answer
    x = 167,972,543.92

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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.