Home / 40,272,962.40-60,448,765.20-20,100,981.60

Finding the Fourth Proportional to 40,272,962.40, 60,448,765.20 and 20,100,981.60

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Solution

The fourth proportional to 40,272,962.40, 60,448,765.20 and 20,100,981.60 is: 30,171,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272,962.40 : 60,448,765.20 = 20,100,981.60 : x
  2. Step 2: Convert to fraction form
    40,272,962.40/60,448,765.20 = 20,100,981.60/x
  3. Step 3: Cross multiply
    40,272,962.40x = 60,448,765.20 × 20,100,981.60
  4. Step 4: Simplify right side
    40,272,962.40x = 1,215,079,517,027,920.50
  5. Step 5: Solve for x
    x = 1,215,079,517,027,920.50/40,272,962.40
  6. Step 6: Final answer
    x = 30,171,098.54

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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.