Home / 66,529,480.80-99,794,221.20-40,999,317.60

Finding the Fourth Proportional to 66,529,480.80, 99,794,221.20 and 40,999,317.60

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Solution

The fourth proportional to 66,529,480.80, 99,794,221.20 and 40,999,317.60 is: 61,498,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,480.80 : 99,794,221.20 = 40,999,317.60 : x
  2. Step 2: Convert to fraction form
    66,529,480.80/99,794,221.20 = 40,999,317.60/x
  3. Step 3: Cross multiply
    66,529,480.80x = 99,794,221.20 × 40,999,317.60
  4. Step 4: Simplify right side
    66,529,480.80x = 4,091,494,969,623,453.50
  5. Step 5: Solve for x
    x = 4,091,494,969,623,453.50/66,529,480.80
  6. Step 6: Final answer
    x = 61,498,976.40

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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.