Home / 60,489,827.20-90,734,740.80-20,100,311.20

Finding the Fourth Proportional to 60,489,827.20, 90,734,740.80 and 20,100,311.20

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Solution

The fourth proportional to 60,489,827.20, 90,734,740.80 and 20,100,311.20 is: 30,150,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489,827.20 : 90,734,740.80 = 20,100,311.20 : x
  2. Step 2: Convert to fraction form
    60,489,827.20/90,734,740.80 = 20,100,311.20/x
  3. Step 3: Cross multiply
    60,489,827.20x = 90,734,740.80 × 20,100,311.20
  4. Step 4: Simplify right side
    60,489,827.20x = 1,823,796,526,731,336.75
  5. Step 5: Solve for x
    x = 1,823,796,526,731,336.75/60,489,827.20
  6. Step 6: Final answer
    x = 30,150,466.80

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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.