Home / 40,442,960.80-60,664,441.20-38,370,340.90

Finding the Fourth Proportional to 40,442,960.80, 60,664,441.20 and 38,370,340.90

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Solution

The fourth proportional to 40,442,960.80, 60,664,441.20 and 38,370,340.90 is: 57,555,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442,960.80 : 60,664,441.20 = 38,370,340.90 : x
  2. Step 2: Convert to fraction form
    40,442,960.80/60,664,441.20 = 38,370,340.90/x
  3. Step 3: Cross multiply
    40,442,960.80x = 60,664,441.20 × 38,370,340.90
  4. Step 4: Simplify right side
    40,442,960.80x = 2,327,715,289,352,005
  5. Step 5: Solve for x
    x = 2,327,715,289,352,005/40,442,960.80
  6. Step 6: Final answer
    x = 57,555,511.35

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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.