Home / 73,042,758.40-109,555,843.20-19,195,513.60

Finding the Fourth Proportional to 73,042,758.40, 109,555,843.20 and 19,195,513.60

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Solution

The fourth proportional to 73,042,758.40, 109,555,843.20 and 19,195,513.60 is: 28,791,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042,758.40 : 109,555,843.20 = 19,195,513.60 : x
  2. Step 2: Convert to fraction form
    73,042,758.40/109,555,843.20 = 19,195,513.60/x
  3. Step 3: Cross multiply
    73,042,758.40x = 109,555,843.20 × 19,195,513.60
  4. Step 4: Simplify right side
    73,042,758.40x = 2,102,980,678,105,067.75
  5. Step 5: Solve for x
    x = 2,102,980,678,105,067.75/73,042,758.40
  6. Step 6: Final answer
    x = 28,791,090.65

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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.