Home / 168,086,633.43-231,959,863.65-93,751,985.27

Finding the Fourth Proportional to 168,086,633.43, 231,959,863.65 and 93,751,985.27

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Solution

The fourth proportional to 168,086,633.43, 231,959,863.65 and 93,751,985.27 is: 129,377,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086,633.43 : 231,959,863.65 = 93,751,985.27 : x
  2. Step 2: Convert to fraction form
    168,086,633.43/231,959,863.65 = 93,751,985.27/x
  3. Step 3: Cross multiply
    168,086,633.43x = 231,959,863.65 × 93,751,985.27
  4. Step 4: Simplify right side
    168,086,633.43x = 21,746,697,721,077,476
  5. Step 5: Solve for x
    x = 21,746,697,721,077,476/168,086,633.43
  6. Step 6: Final answer
    x = 129,377,912.32

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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.