Home / 305,062,227.96-420,988,584.78-165,833,213.64

Finding the Fourth Proportional to 305,062,227.96, 420,988,584.78 and 165,833,213.64

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Solution

The fourth proportional to 305,062,227.96, 420,988,584.78 and 165,833,213.64 is: 228,851,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,062,227.96 : 420,988,584.78 = 165,833,213.64 : x
  2. Step 2: Convert to fraction form
    305,062,227.96/420,988,584.78 = 165,833,213.64/x
  3. Step 3: Cross multiply
    305,062,227.96x = 420,988,584.78 × 165,833,213.64
  4. Step 4: Simplify right side
    305,062,227.96x = 69,813,889,919,822,984
  5. Step 5: Solve for x
    x = 69,813,889,919,822,984/305,062,227.96
  6. Step 6: Final answer
    x = 228,851,308.10

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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.