Home / 48,912,129.20-73,368,193.80-20,148,705.20

Finding the Fourth Proportional to 48,912,129.20, 73,368,193.80 and 20,148,705.20

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Solution

The fourth proportional to 48,912,129.20, 73,368,193.80 and 20,148,705.20 is: 30,223,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912,129.20 : 73,368,193.80 = 20,148,705.20 : x
  2. Step 2: Convert to fraction form
    48,912,129.20/73,368,193.80 = 20,148,705.20/x
  3. Step 3: Cross multiply
    48,912,129.20x = 73,368,193.80 × 20,148,705.20
  4. Step 4: Simplify right side
    48,912,129.20x = 1,478,274,107,932,667.75
  5. Step 5: Solve for x
    x = 1,478,274,107,932,667.75/48,912,129.20
  6. Step 6: Final answer
    x = 30,223,057.80

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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.