Home / 327,938,478.72-491,907,718.12-109,588,820.81

Finding the Fourth Proportional to 327,938,478.72, 491,907,718.12 and 109,588,820.81

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Solution

The fourth proportional to 327,938,478.72, 491,907,718.12 and 109,588,820.81 is: 164,383,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,938,478.72 : 491,907,718.12 = 109,588,820.81 : x
  2. Step 2: Convert to fraction form
    327,938,478.72/491,907,718.12 = 109,588,820.81/x
  3. Step 3: Cross multiply
    327,938,478.72x = 491,907,718.12 × 109,588,820.81
  4. Step 4: Simplify right side
    327,938,478.72x = 53,907,586,773,101,192
  5. Step 5: Solve for x
    x = 53,907,586,773,101,192/327,938,478.72
  6. Step 6: Final answer
    x = 164,383,231.22

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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.