Home / 67,155,344.40-100,733,016.60-18,633,104.40

Finding the Fourth Proportional to 67,155,344.40, 100,733,016.60 and 18,633,104.40

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Solution

The fourth proportional to 67,155,344.40, 100,733,016.60 and 18,633,104.40 is: 27,949,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,344.40 : 100,733,016.60 = 18,633,104.40 : x
  2. Step 2: Convert to fraction form
    67,155,344.40/100,733,016.60 = 18,633,104.40/x
  3. Step 3: Cross multiply
    67,155,344.40x = 100,733,016.60 × 18,633,104.40
  4. Step 4: Simplify right side
    67,155,344.40x = 1,876,968,814,834,732.75
  5. Step 5: Solve for x
    x = 1,876,968,814,834,732.75/67,155,344.40
  6. Step 6: Final answer
    x = 27,949,656.60

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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.