Home / 167,743,367.76-231,557,269.68-112,771,110.72

Finding the Fourth Proportional to 167,743,367.76, 231,557,269.68 and 112,771,110.72

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Solution

The fourth proportional to 167,743,367.76, 231,557,269.68 and 112,771,110.72 is: 155,672,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,743,367.76 : 231,557,269.68 = 112,771,110.72 : x
  2. Step 2: Convert to fraction form
    167,743,367.76/231,557,269.68 = 112,771,110.72/x
  3. Step 3: Cross multiply
    167,743,367.76x = 231,557,269.68 × 112,771,110.72
  4. Step 4: Simplify right side
    167,743,367.76x = 26,112,970,497,104,180
  5. Step 5: Solve for x
    x = 26,112,970,497,104,180/167,743,367.76
  6. Step 6: Final answer
    x = 155,672,148.75

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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.