Home / 217,752,778.80-326,629,168.20-197,597,386.80

Finding the Fourth Proportional to 217,752,778.80, 326,629,168.20 and 197,597,386.80

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Solution

The fourth proportional to 217,752,778.80, 326,629,168.20 and 197,597,386.80 is: 296,396,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,752,778.80 : 326,629,168.20 = 197,597,386.80 : x
  2. Step 2: Convert to fraction form
    217,752,778.80/326,629,168.20 = 197,597,386.80/x
  3. Step 3: Cross multiply
    217,752,778.80x = 326,629,168.20 × 197,597,386.80
  4. Step 4: Simplify right side
    217,752,778.80x = 64,541,070,088,977,664
  5. Step 5: Solve for x
    x = 64,541,070,088,977,664/217,752,778.80
  6. Step 6: Final answer
    x = 296,396,080.20

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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.