Home / 43,394,746.87-65,092,120.31-20,606,556.79

Finding the Fourth Proportional to 43,394,746.87, 65,092,120.31 and 20,606,556.79

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Solution

The fourth proportional to 43,394,746.87, 65,092,120.31 and 20,606,556.79 is: 30,909,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394,746.87 : 65,092,120.31 = 20,606,556.79 : x
  2. Step 2: Convert to fraction form
    43,394,746.87/65,092,120.31 = 20,606,556.79/x
  3. Step 3: Cross multiply
    43,394,746.87x = 65,092,120.31 × 20,606,556.79
  4. Step 4: Simplify right side
    43,394,746.87x = 1,341,324,473,749,527.50
  5. Step 5: Solve for x
    x = 1,341,324,473,749,527.50/43,394,746.87
  6. Step 6: Final answer
    x = 30,909,835.19

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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.