Home / 168,179,912.80-252,269,869.20-59,128,219.60

Finding the Fourth Proportional to 168,179,912.80, 252,269,869.20 and 59,128,219.60

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Solution

The fourth proportional to 168,179,912.80, 252,269,869.20 and 59,128,219.60 is: 88,692,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179,912.80 : 252,269,869.20 = 59,128,219.60 : x
  2. Step 2: Convert to fraction form
    168,179,912.80/252,269,869.20 = 59,128,219.60/x
  3. Step 3: Cross multiply
    168,179,912.80x = 252,269,869.20 × 59,128,219.60
  4. Step 4: Simplify right side
    168,179,912.80x = 14,916,268,224,520,876
  5. Step 5: Solve for x
    x = 14,916,268,224,520,876/168,179,912.80
  6. Step 6: Final answer
    x = 88,692,329.40

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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.