Home / 84,240,933.19-126,361,399.82-20,415,525.19

Finding the Fourth Proportional to 84,240,933.19, 126,361,399.82 and 20,415,525.19

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Solution

The fourth proportional to 84,240,933.19, 126,361,399.82 and 20,415,525.19 is: 30,623,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240,933.19 : 126,361,399.82 = 20,415,525.19 : x
  2. Step 2: Convert to fraction form
    84,240,933.19/126,361,399.82 = 20,415,525.19/x
  3. Step 3: Cross multiply
    84,240,933.19x = 126,361,399.82 × 20,415,525.19
  4. Step 4: Simplify right side
    84,240,933.19x = 2,579,734,340,650,890.50
  5. Step 5: Solve for x
    x = 2,579,734,340,650,890.50/84,240,933.19
  6. Step 6: Final answer
    x = 30,623,287.79

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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.