Home / 131,660,996.40-197,504,485.38-45,388,045.44

Finding the Fourth Proportional to 131,660,996.40, 197,504,485.38 and 45,388,045.44

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Solution

The fourth proportional to 131,660,996.40, 197,504,485.38 and 45,388,045.44 is: 68,086,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,660,996.40 : 197,504,485.38 = 45,388,045.44 : x
  2. Step 2: Convert to fraction form
    131,660,996.40/197,504,485.38 = 45,388,045.44/x
  3. Step 3: Cross multiply
    131,660,996.40x = 197,504,485.38 × 45,388,045.44
  4. Step 4: Simplify right side
    131,660,996.40x = 8,964,342,557,031,255
  5. Step 5: Solve for x
    x = 8,964,342,557,031,255/131,660,996.40
  6. Step 6: Final answer
    x = 68,086,546.53

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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.