Home / 72,583,318.20-108,874,977.30-67,040,585.40

Finding the Fourth Proportional to 72,583,318.20, 108,874,977.30 and 67,040,585.40

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Solution

The fourth proportional to 72,583,318.20, 108,874,977.30 and 67,040,585.40 is: 100,560,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,318.20 : 108,874,977.30 = 67,040,585.40 : x
  2. Step 2: Convert to fraction form
    72,583,318.20/108,874,977.30 = 67,040,585.40/x
  3. Step 3: Cross multiply
    72,583,318.20x = 108,874,977.30 × 67,040,585.40
  4. Step 4: Simplify right side
    72,583,318.20x = 7,299,042,213,603,711
  5. Step 5: Solve for x
    x = 7,299,042,213,603,711/72,583,318.20
  6. Step 6: Final answer
    x = 100,560,878.10

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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.