Home / 100,056,855.60-149,861,334.60-82,140,951.60

Finding the Fourth Proportional to 100,056,855.60, 149,861,334.60 and 82,140,951.60

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Solution

The fourth proportional to 100,056,855.60, 149,861,334.60 and 82,140,951.60 is: 123,027,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,056,855.60 : 149,861,334.60 = 82,140,951.60 : x
  2. Step 2: Convert to fraction form
    100,056,855.60/149,861,334.60 = 82,140,951.60/x
  3. Step 3: Cross multiply
    100,056,855.60x = 149,861,334.60 × 82,140,951.60
  4. Step 4: Simplify right side
    100,056,855.60x = 12,309,752,632,090,004
  5. Step 5: Solve for x
    x = 12,309,752,632,090,004/100,056,855.60
  6. Step 6: Final answer
    x = 123,027,578.25

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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.