Home / 33,642,118.90-50,463,178.35-20,728,102.60

Finding the Fourth Proportional to 33,642,118.90, 50,463,178.35 and 20,728,102.60

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Solution

The fourth proportional to 33,642,118.90, 50,463,178.35 and 20,728,102.60 is: 31,092,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642,118.90 : 50,463,178.35 = 20,728,102.60 : x
  2. Step 2: Convert to fraction form
    33,642,118.90/50,463,178.35 = 20,728,102.60/x
  3. Step 3: Cross multiply
    33,642,118.90x = 50,463,178.35 × 20,728,102.60
  4. Step 4: Simplify right side
    33,642,118.90x = 1,046,005,938,360,898.88
  5. Step 5: Solve for x
    x = 1,046,005,938,360,898.88/33,642,118.90
  6. Step 6: Final answer
    x = 31,092,153.90

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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.