Home / 168,188,887.80-252,283,331.70-165,921,406.20

Finding the Fourth Proportional to 168,188,887.80, 252,283,331.70 and 165,921,406.20

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Solution

The fourth proportional to 168,188,887.80, 252,283,331.70 and 165,921,406.20 is: 248,882,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188,887.80 : 252,283,331.70 = 165,921,406.20 : x
  2. Step 2: Convert to fraction form
    168,188,887.80/252,283,331.70 = 165,921,406.20/x
  3. Step 3: Cross multiply
    168,188,887.80x = 252,283,331.70 × 165,921,406.20
  4. Step 4: Simplify right side
    168,188,887.80x = 41,859,205,156,485,032
  5. Step 5: Solve for x
    x = 41,859,205,156,485,032/168,188,887.80
  6. Step 6: Final answer
    x = 248,882,109.30

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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.