Home / 76,615,057.90-105,731,023.04-41,809,991.73

Finding the Fourth Proportional to 76,615,057.90, 105,731,023.04 and 41,809,991.73

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Solution

The fourth proportional to 76,615,057.90, 105,731,023.04 and 41,809,991.73 is: 57,699,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,057.90 : 105,731,023.04 = 41,809,991.73 : x
  2. Step 2: Convert to fraction form
    76,615,057.90/105,731,023.04 = 41,809,991.73/x
  3. Step 3: Cross multiply
    76,615,057.90x = 105,731,023.04 × 41,809,991.73
  4. Step 4: Simplify right side
    76,615,057.90x = 4,420,613,198,906,839.50
  5. Step 5: Solve for x
    x = 4,420,613,198,906,839.50/76,615,057.90
  6. Step 6: Final answer
    x = 57,699,012.70

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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.