Home / 66,622,190.85-99,933,286.32-51,486,984.45

Finding the Fourth Proportional to 66,622,190.85, 99,933,286.32 and 51,486,984.45

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Solution

The fourth proportional to 66,622,190.85, 99,933,286.32 and 51,486,984.45 is: 77,230,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622,190.85 : 99,933,286.32 = 51,486,984.45 : x
  2. Step 2: Convert to fraction form
    66,622,190.85/99,933,286.32 = 51,486,984.45/x
  3. Step 3: Cross multiply
    66,622,190.85x = 99,933,286.32 × 51,486,984.45
  4. Step 4: Simplify right side
    66,622,190.85x = 5,145,263,558,795,238
  5. Step 5: Solve for x
    x = 5,145,263,558,795,238/66,622,190.85
  6. Step 6: Final answer
    x = 77,230,476.71

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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.