Home / 81,361,325.81-112,279,453.56-44,192,331.90

Finding the Fourth Proportional to 81,361,325.81, 112,279,453.56 and 44,192,331.90

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Solution

The fourth proportional to 81,361,325.81, 112,279,453.56 and 44,192,331.90 is: 60,985,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,361,325.81 : 112,279,453.56 = 44,192,331.90 : x
  2. Step 2: Convert to fraction form
    81,361,325.81/112,279,453.56 = 44,192,331.90/x
  3. Step 3: Cross multiply
    81,361,325.81x = 112,279,453.56 × 44,192,331.90
  4. Step 4: Simplify right side
    81,361,325.81x = 4,961,890,877,274,157
  5. Step 5: Solve for x
    x = 4,961,890,877,274,157/81,361,325.81
  6. Step 6: Final answer
    x = 60,985,865.56

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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.