Home / 81,469,673.40-122,045,077.80-49,025,200.35

Finding the Fourth Proportional to 81,469,673.40, 122,045,077.80 and 49,025,200.35

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Solution

The fourth proportional to 81,469,673.40, 122,045,077.80 and 49,025,200.35 is: 73,441,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,469,673.40 : 122,045,077.80 = 49,025,200.35 : x
  2. Step 2: Convert to fraction form
    81,469,673.40/122,045,077.80 = 49,025,200.35/x
  3. Step 3: Cross multiply
    81,469,673.40x = 122,045,077.80 × 49,025,200.35
  4. Step 4: Simplify right side
    81,469,673.40x = 5,983,284,390,876,337
  5. Step 5: Solve for x
    x = 5,983,284,390,876,337/81,469,673.40
  6. Step 6: Final answer
    x = 73,441,860.53

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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.