Home / 69,899,601.04-104,849,346.17-18,781,619.85

Finding the Fourth Proportional to 69,899,601.04, 104,849,346.17 and 18,781,619.85

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Solution

The fourth proportional to 69,899,601.04, 104,849,346.17 and 18,781,619.85 is: 28,172,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,601.04 : 104,849,346.17 = 18,781,619.85 : x
  2. Step 2: Convert to fraction form
    69,899,601.04/104,849,346.17 = 18,781,619.85/x
  3. Step 3: Cross multiply
    69,899,601.04x = 104,849,346.17 × 18,781,619.85
  4. Step 4: Simplify right side
    69,899,601.04x = 1,969,240,561,332,947.75
  5. Step 5: Solve for x
    x = 1,969,240,561,332,947.75/69,899,601.04
  6. Step 6: Final answer
    x = 28,172,414.89

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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.