Home / 45,929,047.52-68,882,687.84-13,138,605.43

Finding the Fourth Proportional to 45,929,047.52, 68,882,687.84 and 13,138,605.43

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Solution

The fourth proportional to 45,929,047.52, 68,882,687.84 and 13,138,605.43 is: 19,704,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929,047.52 : 68,882,687.84 = 13,138,605.43 : x
  2. Step 2: Convert to fraction form
    45,929,047.52/68,882,687.84 = 13,138,605.43/x
  3. Step 3: Cross multiply
    45,929,047.52x = 68,882,687.84 × 13,138,605.43
  4. Step 4: Simplify right side
    45,929,047.52x = 905,022,456,348,258.75
  5. Step 5: Solve for x
    x = 905,022,456,348,258.75/45,929,047.52
  6. Step 6: Final answer
    x = 19,704,794.79

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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.