Home / 131,258,114.20-196,887,171.30-82,578,118.60

Finding the Fourth Proportional to 131,258,114.20, 196,887,171.30 and 82,578,118.60

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Solution

The fourth proportional to 131,258,114.20, 196,887,171.30 and 82,578,118.60 is: 123,867,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258,114.20 : 196,887,171.30 = 82,578,118.60 : x
  2. Step 2: Convert to fraction form
    131,258,114.20/196,887,171.30 = 82,578,118.60/x
  3. Step 3: Cross multiply
    131,258,114.20x = 196,887,171.30 × 82,578,118.60
  4. Step 4: Simplify right side
    131,258,114.20x = 16,258,572,182,429,916
  5. Step 5: Solve for x
    x = 16,258,572,182,429,916/131,258,114.20
  6. Step 6: Final answer
    x = 123,867,177.90

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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.