Home / 212,083,200.78-318,121,604.91-95,416,166.22

Finding the Fourth Proportional to 212,083,200.78, 318,121,604.91 and 95,416,166.22

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Solution

The fourth proportional to 212,083,200.78, 318,121,604.91 and 95,416,166.22 is: 143,122,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,083,200.78 : 318,121,604.91 = 95,416,166.22 : x
  2. Step 2: Convert to fraction form
    212,083,200.78/318,121,604.91 = 95,416,166.22/x
  3. Step 3: Cross multiply
    212,083,200.78x = 318,121,604.91 × 95,416,166.22
  4. Step 4: Simplify right side
    212,083,200.78x = 30,353,943,932,265,732
  5. Step 5: Solve for x
    x = 30,353,943,932,265,732/212,083,200.78
  6. Step 6: Final answer
    x = 143,122,811.33

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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.