Home / 168,540,825.16-232,493,214.54-137,212,575.04

Finding the Fourth Proportional to 168,540,825.16, 232,493,214.54 and 137,212,575.04

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Solution

The fourth proportional to 168,540,825.16, 232,493,214.54 and 137,212,575.04 is: 189,277,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,540,825.16 : 232,493,214.54 = 137,212,575.04 : x
  2. Step 2: Convert to fraction form
    168,540,825.16/232,493,214.54 = 137,212,575.04/x
  3. Step 3: Cross multiply
    168,540,825.16x = 232,493,214.54 × 137,212,575.04
  4. Step 4: Simplify right side
    168,540,825.16x = 31,900,992,646,360,564
  5. Step 5: Solve for x
    x = 31,900,992,646,360,564/168,540,825.16
  6. Step 6: Final answer
    x = 189,277,539.23

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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.