Home / 311,623,701.28-430,027,788.66-170,494,229.32

Finding the Fourth Proportional to 311,623,701.28, 430,027,788.66 and 170,494,229.32

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Solution

The fourth proportional to 311,623,701.28, 430,027,788.66 and 170,494,229.32 is: 235,274,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,623,701.28 : 430,027,788.66 = 170,494,229.32 : x
  2. Step 2: Convert to fraction form
    311,623,701.28/430,027,788.66 = 170,494,229.32/x
  3. Step 3: Cross multiply
    311,623,701.28x = 430,027,788.66 × 170,494,229.32
  4. Step 4: Simplify right side
    311,623,701.28x = 73,317,256,413,770,544
  5. Step 5: Solve for x
    x = 73,317,256,413,770,544/311,623,701.28
  6. Step 6: Final answer
    x = 235,274,968.22

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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.