Home / 203,460,991.60-305,210,149.80-67,146,674.80

Finding the Fourth Proportional to 203,460,991.60, 305,210,149.80 and 67,146,674.80

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Solution

The fourth proportional to 203,460,991.60, 305,210,149.80 and 67,146,674.80 is: 100,726,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,460,991.60 : 305,210,149.80 = 67,146,674.80 : x
  2. Step 2: Convert to fraction form
    203,460,991.60/305,210,149.80 = 67,146,674.80/x
  3. Step 3: Cross multiply
    203,460,991.60x = 305,210,149.80 × 67,146,674.80
  4. Step 4: Simplify right side
    203,460,991.60x = 20,493,846,674,279,884
  5. Step 5: Solve for x
    x = 20,493,846,674,279,884/203,460,991.60
  6. Step 6: Final answer
    x = 100,726,171.21

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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.