Home / 168,394,986.32-232,385,078.28-91,132,650.32

Finding the Fourth Proportional to 168,394,986.32, 232,385,078.28 and 91,132,650.32

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Solution

The fourth proportional to 168,394,986.32, 232,385,078.28 and 91,132,650.32 is: 125,763,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,394,986.32 : 232,385,078.28 = 91,132,650.32 : x
  2. Step 2: Convert to fraction form
    168,394,986.32/232,385,078.28 = 91,132,650.32/x
  3. Step 3: Cross multiply
    168,394,986.32x = 232,385,078.28 × 91,132,650.32
  4. Step 4: Simplify right side
    168,394,986.32x = 21,177,868,078,477,064
  5. Step 5: Solve for x
    x = 21,177,868,078,477,064/168,394,986.32
  6. Step 6: Final answer
    x = 125,763,055.90

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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.