Home / 91,539,162.70-126,203,839.45-66,057,198.60

Finding the Fourth Proportional to 91,539,162.70, 126,203,839.45 and 66,057,198.60

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Solution

The fourth proportional to 91,539,162.70, 126,203,839.45 and 66,057,198.60 is: 91,072,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539,162.70 : 126,203,839.45 = 66,057,198.60 : x
  2. Step 2: Convert to fraction form
    91,539,162.70/126,203,839.45 = 66,057,198.60/x
  3. Step 3: Cross multiply
    91,539,162.70x = 126,203,839.45 × 66,057,198.60
  4. Step 4: Simplify right side
    91,539,162.70x = 8,336,672,086,631,165
  5. Step 5: Solve for x
    x = 8,336,672,086,631,165/91,539,162.70
  6. Step 6: Final answer
    x = 91,072,190.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.