Home / 66,313,731.20-99,441,105.60-30,422,940.80

Finding the Fourth Proportional to 66,313,731.20, 99,441,105.60 and 30,422,940.80

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Solution

The fourth proportional to 66,313,731.20, 99,441,105.60 and 30,422,940.80 is: 45,620,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313,731.20 : 99,441,105.60 = 30,422,940.80 : x
  2. Step 2: Convert to fraction form
    66,313,731.20/99,441,105.60 = 30,422,940.80/x
  3. Step 3: Cross multiply
    66,313,731.20x = 99,441,105.60 × 30,422,940.80
  4. Step 4: Simplify right side
    66,313,731.20x = 3,025,290,868,755,348.50
  5. Step 5: Solve for x
    x = 3,025,290,868,755,348.50/66,313,731.20
  6. Step 6: Final answer
    x = 45,620,881.44

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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.