Home / 202,631,172.20-279,631,256.82-109,811,679.56

Finding the Fourth Proportional to 202,631,172.20, 279,631,256.82 and 109,811,679.56

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Solution

The fourth proportional to 202,631,172.20, 279,631,256.82 and 109,811,679.56 is: 151,540,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,631,172.20 : 279,631,256.82 = 109,811,679.56 : x
  2. Step 2: Convert to fraction form
    202,631,172.20/279,631,256.82 = 109,811,679.56/x
  3. Step 3: Cross multiply
    202,631,172.20x = 279,631,256.82 × 109,811,679.56
  4. Step 4: Simplify right side
    202,631,172.20x = 30,706,777,968,877,904
  5. Step 5: Solve for x
    x = 30,706,777,968,877,904/202,631,172.20
  6. Step 6: Final answer
    x = 151,540,247.41

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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.