Home / 72,583,317.20-108,874,975.80-67,040,584.40

Finding the Fourth Proportional to 72,583,317.20, 108,874,975.80 and 67,040,584.40

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Solution

The fourth proportional to 72,583,317.20, 108,874,975.80 and 67,040,584.40 is: 100,560,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,317.20 : 108,874,975.80 = 67,040,584.40 : x
  2. Step 2: Convert to fraction form
    72,583,317.20/108,874,975.80 = 67,040,584.40/x
  3. Step 3: Cross multiply
    72,583,317.20x = 108,874,975.80 × 67,040,584.40
  4. Step 4: Simplify right side
    72,583,317.20x = 7,299,042,004,167,857
  5. Step 5: Solve for x
    x = 7,299,042,004,167,857/72,583,317.20
  6. Step 6: Final answer
    x = 100,560,876.60

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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.