Home / 60,678,863.10-91,030,891.86-20,288,297.34

Finding the Fourth Proportional to 60,678,863.10, 91,030,891.86 and 20,288,297.34

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Solution

The fourth proportional to 60,678,863.10, 91,030,891.86 and 20,288,297.34 is: 30,436,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,678,863.10 : 91,030,891.86 = 20,288,297.34 : x
  2. Step 2: Convert to fraction form
    60,678,863.10/91,030,891.86 = 20,288,297.34/x
  3. Step 3: Cross multiply
    60,678,863.10x = 91,030,891.86 × 20,288,297.34
  4. Step 4: Simplify right side
    60,678,863.10x = 1,846,861,801,181,065.75
  5. Step 5: Solve for x
    x = 1,846,861,801,181,065.75/60,678,863.10
  6. Step 6: Final answer
    x = 30,436,657.95

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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.