Home / 50,362,406.20-75,543,609.30-20,091,993.40

Finding the Fourth Proportional to 50,362,406.20, 75,543,609.30 and 20,091,993.40

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Solution

The fourth proportional to 50,362,406.20, 75,543,609.30 and 20,091,993.40 is: 30,137,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,362,406.20 : 75,543,609.30 = 20,091,993.40 : x
  2. Step 2: Convert to fraction form
    50,362,406.20/75,543,609.30 = 20,091,993.40/x
  3. Step 3: Cross multiply
    50,362,406.20x = 75,543,609.30 × 20,091,993.40
  4. Step 4: Simplify right side
    50,362,406.20x = 1,517,821,699,467,778.50
  5. Step 5: Solve for x
    x = 1,517,821,699,467,778.50/50,362,406.20
  6. Step 6: Final answer
    x = 30,137,990.10

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Double scale
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Similar ratio
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1.5x scale

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.