Home / 199,302,261.40-298,953,392.10-166,990,648.60

Finding the Fourth Proportional to 199,302,261.40, 298,953,392.10 and 166,990,648.60

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Solution

The fourth proportional to 199,302,261.40, 298,953,392.10 and 166,990,648.60 is: 250,485,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,261.40 : 298,953,392.10 = 166,990,648.60 : x
  2. Step 2: Convert to fraction form
    199,302,261.40/298,953,392.10 = 166,990,648.60/x
  3. Step 3: Cross multiply
    199,302,261.40x = 298,953,392.10 × 166,990,648.60
  4. Step 4: Simplify right side
    199,302,261.40x = 49,922,420,847,949,120
  5. Step 5: Solve for x
    x = 49,922,420,847,949,120/199,302,261.40
  6. Step 6: Final answer
    x = 250,485,972.90

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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.