Home / 45,929,067-68,882,717.16-13,138,624.86

Finding the Fourth Proportional to 45,929,067, 68,882,717.16 and 13,138,624.86

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Solution

The fourth proportional to 45,929,067, 68,882,717.16 and 13,138,624.86 is: 19,704,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929,067 : 68,882,717.16 = 13,138,624.86 : x
  2. Step 2: Convert to fraction form
    45,929,067/68,882,717.16 = 13,138,624.86/x
  3. Step 3: Cross multiply
    45,929,067x = 68,882,717.16 × 13,138,624.86
  4. Step 4: Simplify right side
    45,929,067x = 905,024,180,102,724.50
  5. Step 5: Solve for x
    x = 905,024,180,102,724.50/45,929,067
  6. Step 6: Final answer
    x = 19,704,823.96

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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.