Home / 101,380,515-139,907,861.64-57,334,100.48

Finding the Fourth Proportional to 101,380,515, 139,907,861.64 and 57,334,100.48

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Solution

The fourth proportional to 101,380,515, 139,907,861.64 and 57,334,100.48 is: 79,122,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380,515 : 139,907,861.64 = 57,334,100.48 : x
  2. Step 2: Convert to fraction form
    101,380,515/139,907,861.64 = 57,334,100.48/x
  3. Step 3: Cross multiply
    101,380,515x = 139,907,861.64 × 57,334,100.48
  4. Step 4: Simplify right side
    101,380,515x = 8,021,491,397,209,696
  5. Step 5: Solve for x
    x = 8,021,491,397,209,696/101,380,515
  6. Step 6: Final answer
    x = 79,122,614.41

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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.