Home / 80,988,364.80-121,493,203.20-29,906,265.60

Finding the Fourth Proportional to 80,988,364.80, 121,493,203.20 and 29,906,265.60

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Solution

The fourth proportional to 80,988,364.80, 121,493,203.20 and 29,906,265.60 is: 44,863,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,988,364.80 : 121,493,203.20 = 29,906,265.60 : x
  2. Step 2: Convert to fraction form
    80,988,364.80/121,493,203.20 = 29,906,265.60/x
  3. Step 3: Cross multiply
    80,988,364.80x = 121,493,203.20 × 29,906,265.60
  4. Step 4: Simplify right side
    80,988,364.80x = 3,633,408,003,493,970
  5. Step 5: Solve for x
    x = 3,633,408,003,493,970/80,988,364.80
  6. Step 6: Final answer
    x = 44,863,333.30

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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.