Home / 49,198,296.72-73,733,434.04-20,018,129.36

Finding the Fourth Proportional to 49,198,296.72, 73,733,434.04 and 20,018,129.36

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Solution

The fourth proportional to 49,198,296.72, 73,733,434.04 and 20,018,129.36 is: 30,001,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,198,296.72 : 73,733,434.04 = 20,018,129.36 : x
  2. Step 2: Convert to fraction form
    49,198,296.72/73,733,434.04 = 20,018,129.36/x
  3. Step 3: Cross multiply
    49,198,296.72x = 73,733,434.04 × 20,018,129.36
  4. Step 4: Simplify right side
    49,198,296.72x = 1,476,005,420,769,747.50
  5. Step 5: Solve for x
    x = 1,476,005,420,769,747.50/49,198,296.72
  6. Step 6: Final answer
    x = 30,001,148.80

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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.