Home / 91,539,164.70-126,203,842.21-66,057,200.60

Finding the Fourth Proportional to 91,539,164.70, 126,203,842.21 and 66,057,200.60

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Solution

The fourth proportional to 91,539,164.70, 126,203,842.21 and 66,057,200.60 is: 91,072,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539,164.70 : 126,203,842.21 = 66,057,200.60 : x
  2. Step 2: Convert to fraction form
    91,539,164.70/126,203,842.21 = 66,057,200.60/x
  3. Step 3: Cross multiply
    91,539,164.70x = 126,203,842.21 × 66,057,200.60
  4. Step 4: Simplify right side
    91,539,164.70x = 8,336,672,521,356,717
  5. Step 5: Solve for x
    x = 8,336,672,521,356,717/91,539,164.70
  6. Step 6: Final answer
    x = 91,072,193.51

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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.