Home / 69,769,519.17-104,646,299.52-18,655,523.79

Finding the Fourth Proportional to 69,769,519.17, 104,646,299.52 and 18,655,523.79

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Solution

The fourth proportional to 69,769,519.17, 104,646,299.52 and 18,655,523.79 is: 27,981,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769,519.17 : 104,646,299.52 = 18,655,523.79 : x
  2. Step 2: Convert to fraction form
    69,769,519.17/104,646,299.52 = 18,655,523.79/x
  3. Step 3: Cross multiply
    69,769,519.17x = 104,646,299.52 × 18,655,523.79
  4. Step 4: Simplify right side
    69,769,519.17x = 1,952,231,530,230,825.50
  5. Step 5: Solve for x
    x = 1,952,231,530,230,825.50/69,769,519.17
  6. Step 6: Final answer
    x = 27,981,152.13

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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.