Home / 199,086,522.40-298,629,783.60-165,074,298.40

Finding the Fourth Proportional to 199,086,522.40, 298,629,783.60 and 165,074,298.40

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Solution

The fourth proportional to 199,086,522.40, 298,629,783.60 and 165,074,298.40 is: 247,611,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,086,522.40 : 298,629,783.60 = 165,074,298.40 : x
  2. Step 2: Convert to fraction form
    199,086,522.40/298,629,783.60 = 165,074,298.40/x
  3. Step 3: Cross multiply
    199,086,522.40x = 298,629,783.60 × 165,074,298.40
  4. Step 4: Simplify right side
    199,086,522.40x = 49,296,102,009,113,832
  5. Step 5: Solve for x
    x = 49,296,102,009,113,832/199,086,522.40
  6. Step 6: Final answer
    x = 247,611,447.60

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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.