Home / 61,245,789.71-91,886,620.55-18,116,141.63

Finding the Fourth Proportional to 61,245,789.71, 91,886,620.55 and 18,116,141.63

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Solution

The fourth proportional to 61,245,789.71, 91,886,620.55 and 18,116,141.63 is: 27,179,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,789.71 : 91,886,620.55 = 18,116,141.63 : x
  2. Step 2: Convert to fraction form
    61,245,789.71/91,886,620.55 = 18,116,141.63/x
  3. Step 3: Cross multiply
    61,245,789.71x = 91,886,620.55 × 18,116,141.63
  4. Step 4: Simplify right side
    61,245,789.71x = 1,664,631,031,235,854.75
  5. Step 5: Solve for x
    x = 1,664,631,031,235,854.75/61,245,789.71
  6. Step 6: Final answer
    x = 27,179,517.80

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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.