Home / 70,010,245.40-105,014,523.34-18,190,262.73

Finding the Fourth Proportional to 70,010,245.40, 105,014,523.34 and 18,190,262.73

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Solution

The fourth proportional to 70,010,245.40, 105,014,523.34 and 18,190,262.73 is: 27,285,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010,245.40 : 105,014,523.34 = 18,190,262.73 : x
  2. Step 2: Convert to fraction form
    70,010,245.40/105,014,523.34 = 18,190,262.73/x
  3. Step 3: Cross multiply
    70,010,245.40x = 105,014,523.34 × 18,190,262.73
  4. Step 4: Simplify right side
    70,010,245.40x = 1,910,241,769,929,365.75
  5. Step 5: Solve for x
    x = 1,910,241,769,929,365.75/70,010,245.40
  6. Step 6: Final answer
    x = 27,285,174.61

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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.