Home / 131,293,043.60-197,101,306.20-82,770,803.60

Finding the Fourth Proportional to 131,293,043.60, 197,101,306.20 and 82,770,803.60

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Solution

The fourth proportional to 131,293,043.60, 197,101,306.20 and 82,770,803.60 is: 124,258,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293,043.60 : 197,101,306.20 = 82,770,803.60 : x
  2. Step 2: Convert to fraction form
    131,293,043.60/197,101,306.20 = 82,770,803.60/x
  3. Step 3: Cross multiply
    131,293,043.60x = 197,101,306.20 × 82,770,803.60
  4. Step 4: Simplify right side
    131,293,043.60x = 16,314,233,504,783,660
  5. Step 5: Solve for x
    x = 16,314,233,504,783,660/131,293,043.60
  6. Step 6: Final answer
    x = 124,258,171.32

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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.