Home / 87,696,005.80-131,544,008.70-83,515,628.20

Finding the Fourth Proportional to 87,696,005.80, 131,544,008.70 and 83,515,628.20

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Solution

The fourth proportional to 87,696,005.80, 131,544,008.70 and 83,515,628.20 is: 125,273,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696,005.80 : 131,544,008.70 = 83,515,628.20 : x
  2. Step 2: Convert to fraction form
    87,696,005.80/131,544,008.70 = 83,515,628.20/x
  3. Step 3: Cross multiply
    87,696,005.80x = 131,544,008.70 × 83,515,628.20
  4. Step 4: Simplify right side
    87,696,005.80x = 10,985,980,522,526,766
  5. Step 5: Solve for x
    x = 10,985,980,522,526,766/87,696,005.80
  6. Step 6: Final answer
    x = 125,273,442.30

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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.