Home / 394,051,391.20-591,077,086.80-163,943,999.20

Finding the Fourth Proportional to 394,051,391.20, 591,077,086.80 and 163,943,999.20

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Solution

The fourth proportional to 394,051,391.20, 591,077,086.80 and 163,943,999.20 is: 245,915,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,051,391.20 : 591,077,086.80 = 163,943,999.20 : x
  2. Step 2: Convert to fraction form
    394,051,391.20/591,077,086.80 = 163,943,999.20/x
  3. Step 3: Cross multiply
    394,051,391.20x = 591,077,086.80 × 163,943,999.20
  4. Step 4: Simplify right side
    394,051,391.20x = 96,903,541,445,477,520
  5. Step 5: Solve for x
    x = 96,903,541,445,477,520/394,051,391.20
  6. Step 6: Final answer
    x = 245,915,998.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.