Home / 228,438,605.64-342,099,071.65-206,330,410.97

Finding the Fourth Proportional to 228,438,605.64, 342,099,071.65 and 206,330,410.97

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Solution

The fourth proportional to 228,438,605.64, 342,099,071.65 and 206,330,410.97 is: 308,990,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438,605.64 : 342,099,071.65 = 206,330,410.97 : x
  2. Step 2: Convert to fraction form
    228,438,605.64/342,099,071.65 = 206,330,410.97/x
  3. Step 3: Cross multiply
    228,438,605.64x = 342,099,071.65 × 206,330,410.97
  4. Step 4: Simplify right side
    228,438,605.64x = 70,585,442,043,257,824
  5. Step 5: Solve for x
    x = 70,585,442,043,257,824/228,438,605.64
  6. Step 6: Final answer
    x = 308,990,863.63

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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.