Home / 45,520,511.40-68,262,794.07-18,221,715.84

Finding the Fourth Proportional to 45,520,511.40, 68,262,794.07 and 18,221,715.84

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Solution

The fourth proportional to 45,520,511.40, 68,262,794.07 and 18,221,715.84 is: 27,325,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520,511.40 : 68,262,794.07 = 18,221,715.84 : x
  2. Step 2: Convert to fraction form
    45,520,511.40/68,262,794.07 = 18,221,715.84/x
  3. Step 3: Cross multiply
    45,520,511.40x = 68,262,794.07 × 18,221,715.84
  4. Step 4: Simplify right side
    45,520,511.40x = 1,243,865,235,987,977
  5. Step 5: Solve for x
    x = 1,243,865,235,987,977/45,520,511.40
  6. Step 6: Final answer
    x = 27,325,379.21

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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.