Home / 66,313,733.20-99,441,108.60-30,422,942.80

Finding the Fourth Proportional to 66,313,733.20, 99,441,108.60 and 30,422,942.80

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Solution

The fourth proportional to 66,313,733.20, 99,441,108.60 and 30,422,942.80 is: 45,620,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313,733.20 : 99,441,108.60 = 30,422,942.80 : x
  2. Step 2: Convert to fraction form
    66,313,733.20/99,441,108.60 = 30,422,942.80/x
  3. Step 3: Cross multiply
    66,313,733.20x = 99,441,108.60 × 30,422,942.80
  4. Step 4: Simplify right side
    66,313,733.20x = 3,025,291,158,906,388
  5. Step 5: Solve for x
    x = 3,025,291,158,906,388/66,313,733.20
  6. Step 6: Final answer
    x = 45,620,884.44

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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.