Home / 101,380,514-139,907,860.26-57,334,099.50

Finding the Fourth Proportional to 101,380,514, 139,907,860.26 and 57,334,099.50

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Solution

The fourth proportional to 101,380,514, 139,907,860.26 and 57,334,099.50 is: 79,122,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380,514 : 139,907,860.26 = 57,334,099.50 : x
  2. Step 2: Convert to fraction form
    101,380,514/139,907,860.26 = 57,334,099.50/x
  3. Step 3: Cross multiply
    101,380,514x = 139,907,860.26 × 57,334,099.50
  4. Step 4: Simplify right side
    101,380,514x = 8,021,491,180,978,935
  5. Step 5: Solve for x
    x = 8,021,491,180,978,935/101,380,514
  6. Step 6: Final answer
    x = 79,122,613.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.