Home / 107,801,998.60-161,702,997.90-82,292,830.60

Finding the Fourth Proportional to 107,801,998.60, 161,702,997.90 and 82,292,830.60

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Solution

The fourth proportional to 107,801,998.60, 161,702,997.90 and 82,292,830.60 is: 123,439,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801,998.60 : 161,702,997.90 = 82,292,830.60 : x
  2. Step 2: Convert to fraction form
    107,801,998.60/161,702,997.90 = 82,292,830.60/x
  3. Step 3: Cross multiply
    107,801,998.60x = 161,702,997.90 × 82,292,830.60
  4. Step 4: Simplify right side
    107,801,998.60x = 13,306,997,413,696,856
  5. Step 5: Solve for x
    x = 13,306,997,413,696,856/107,801,998.60
  6. Step 6: Final answer
    x = 123,439,245.90

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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.