Home / 90,327,340.40-135,491,010.60-29,735,193.20

Finding the Fourth Proportional to 90,327,340.40, 135,491,010.60 and 29,735,193.20

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Solution

The fourth proportional to 90,327,340.40, 135,491,010.60 and 29,735,193.20 is: 44,602,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,327,340.40 : 135,491,010.60 = 29,735,193.20 : x
  2. Step 2: Convert to fraction form
    90,327,340.40/135,491,010.60 = 29,735,193.20/x
  3. Step 3: Cross multiply
    90,327,340.40x = 135,491,010.60 × 29,735,193.20
  4. Step 4: Simplify right side
    90,327,340.40x = 4,028,851,377,054,247.50
  5. Step 5: Solve for x
    x = 4,028,851,377,054,247.50/90,327,340.40
  6. Step 6: Final answer
    x = 44,602,789.80

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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.