Home / 71,670,198.20-98,913,286.50-40,735,017.60

Finding the Fourth Proportional to 71,670,198.20, 98,913,286.50 and 40,735,017.60

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Solution

The fourth proportional to 71,670,198.20, 98,913,286.50 and 40,735,017.60 is: 56,219,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670,198.20 : 98,913,286.50 = 40,735,017.60 : x
  2. Step 2: Convert to fraction form
    71,670,198.20/98,913,286.50 = 40,735,017.60/x
  3. Step 3: Cross multiply
    71,670,198.20x = 98,913,286.50 × 40,735,017.60
  4. Step 4: Simplify right side
    71,670,198.20x = 4,029,234,466,451,342.50
  5. Step 5: Solve for x
    x = 4,029,234,466,451,342.50/71,670,198.20
  6. Step 6: Final answer
    x = 56,219,105.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.