Home / 81,467,486.80-122,201,230.20-32,920,351.45

Finding the Fourth Proportional to 81,467,486.80, 122,201,230.20 and 32,920,351.45

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Solution

The fourth proportional to 81,467,486.80, 122,201,230.20 and 32,920,351.45 is: 49,380,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,467,486.80 : 122,201,230.20 = 32,920,351.45 : x
  2. Step 2: Convert to fraction form
    81,467,486.80/122,201,230.20 = 32,920,351.45/x
  3. Step 3: Cross multiply
    81,467,486.80x = 122,201,230.20 × 32,920,351.45
  4. Step 4: Simplify right side
    81,467,486.80x = 4,022,907,445,806,354
  5. Step 5: Solve for x
    x = 4,022,907,445,806,354/81,467,486.80
  6. Step 6: Final answer
    x = 49,380,527.18

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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.