Home / 172,701,317.10-238,327,429.77-98,361,872.58

Finding the Fourth Proportional to 172,701,317.10, 238,327,429.77 and 98,361,872.58

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Solution

The fourth proportional to 172,701,317.10, 238,327,429.77 and 98,361,872.58 is: 135,739,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,701,317.10 : 238,327,429.77 = 98,361,872.58 : x
  2. Step 2: Convert to fraction form
    172,701,317.10/238,327,429.77 = 98,361,872.58/x
  3. Step 3: Cross multiply
    172,701,317.10x = 238,327,429.77 × 98,361,872.58
  4. Step 4: Simplify right side
    172,701,317.10x = 23,442,332,279,355,640
  5. Step 5: Solve for x
    x = 23,442,332,279,355,640/172,701,317.10
  6. Step 6: Final answer
    x = 135,739,163.27

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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.