Home / 262,296,067.10-393,696,043.05-133,049,615.90

Finding the Fourth Proportional to 262,296,067.10, 393,696,043.05 and 133,049,615.90

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Solution

The fourth proportional to 262,296,067.10, 393,696,043.05 and 133,049,615.90 is: 199,702,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,296,067.10 : 393,696,043.05 = 133,049,615.90 : x
  2. Step 2: Convert to fraction form
    262,296,067.10/393,696,043.05 = 133,049,615.90/x
  3. Step 3: Cross multiply
    262,296,067.10x = 393,696,043.05 × 133,049,615.90
  4. Step 4: Simplify right side
    262,296,067.10x = 52,381,107,309,152,368
  5. Step 5: Solve for x
    x = 52,381,107,309,152,368/262,296,067.10
  6. Step 6: Final answer
    x = 199,702,221.57

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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.