Home / 321,542,327.48-482,342,262.11-124,801,128.34

Finding the Fourth Proportional to 321,542,327.48, 482,342,262.11 and 124,801,128.34

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Solution

The fourth proportional to 321,542,327.48, 482,342,262.11 and 124,801,128.34 is: 187,212,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,542,327.48 : 482,342,262.11 = 124,801,128.34 : x
  2. Step 2: Convert to fraction form
    321,542,327.48/482,342,262.11 = 124,801,128.34/x
  3. Step 3: Cross multiply
    321,542,327.48x = 482,342,262.11 × 124,801,128.34
  4. Step 4: Simplify right side
    321,542,327.48x = 60,196,858,556,502,184
  5. Step 5: Solve for x
    x = 60,196,858,556,502,184/321,542,327.48
  6. Step 6: Final answer
    x = 187,212,859.44

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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.