Home / 311,305,877.76-429,587,268-170,184,380.64

Finding the Fourth Proportional to 311,305,877.76, 429,587,268 and 170,184,380.64

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Solution

The fourth proportional to 311,305,877.76, 429,587,268 and 170,184,380.64 is: 234,846,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,305,877.76 : 429,587,268 = 170,184,380.64 : x
  2. Step 2: Convert to fraction form
    311,305,877.76/429,587,268 = 170,184,380.64/x
  3. Step 3: Cross multiply
    311,305,877.76x = 429,587,268 × 170,184,380.64
  4. Step 4: Simplify right side
    311,305,877.76x = 73,109,043,135,409,680
  5. Step 5: Solve for x
    x = 73,109,043,135,409,680/311,305,877.76
  6. Step 6: Final answer
    x = 234,846,330.76

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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.