Home / 43,611,571.76-65,377,763.11-21,758,634.81

Finding the Fourth Proportional to 43,611,571.76, 65,377,763.11 and 21,758,634.81

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Solution

The fourth proportional to 43,611,571.76, 65,377,763.11 and 21,758,634.81 is: 32,618,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611,571.76 : 65,377,763.11 = 21,758,634.81 : x
  2. Step 2: Convert to fraction form
    43,611,571.76/65,377,763.11 = 21,758,634.81/x
  3. Step 3: Cross multiply
    43,611,571.76x = 65,377,763.11 × 21,758,634.81
  4. Step 4: Simplify right side
    43,611,571.76x = 1,422,530,872,150,783.25
  5. Step 5: Solve for x
    x = 1,422,530,872,150,783.25/43,611,571.76
  6. Step 6: Final answer
    x = 32,618,197.75

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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.