Home / 151,775,056.54-209,451,021.03-89,052,221.52

Finding the Fourth Proportional to 151,775,056.54, 209,451,021.03 and 89,052,221.52

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Solution

The fourth proportional to 151,775,056.54, 209,451,021.03 and 89,052,221.52 is: 122,892,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,775,056.54 : 209,451,021.03 = 89,052,221.52 : x
  2. Step 2: Convert to fraction form
    151,775,056.54/209,451,021.03 = 89,052,221.52/x
  3. Step 3: Cross multiply
    151,775,056.54x = 209,451,021.03 × 89,052,221.52
  4. Step 4: Simplify right side
    151,775,056.54x = 18,652,078,722,353,736
  5. Step 5: Solve for x
    x = 18,652,078,722,353,736/151,775,056.54
  6. Step 6: Final answer
    x = 122,892,912.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.