Home / 262,278,009.72-361,975,391.73-149,274,976.59

Finding the Fourth Proportional to 262,278,009.72, 361,975,391.73 and 149,274,976.59

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Solution

The fourth proportional to 262,278,009.72, 361,975,391.73 and 149,274,976.59 is: 206,017,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,278,009.72 : 361,975,391.73 = 149,274,976.59 : x
  2. Step 2: Convert to fraction form
    262,278,009.72/361,975,391.73 = 149,274,976.59/x
  3. Step 3: Cross multiply
    262,278,009.72x = 361,975,391.73 × 149,274,976.59
  4. Step 4: Simplify right side
    262,278,009.72x = 54,033,868,126,651,832
  5. Step 5: Solve for x
    x = 54,033,868,126,651,832/262,278,009.72
  6. Step 6: Final answer
    x = 206,017,531.49

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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.