Home / 79,702,359.13-119,450,891.44-38,682,415.27

Finding the Fourth Proportional to 79,702,359.13, 119,450,891.44 and 38,682,415.27

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Solution

The fourth proportional to 79,702,359.13, 119,450,891.44 and 38,682,415.27 is: 57,973,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702,359.13 : 119,450,891.44 = 38,682,415.27 : x
  2. Step 2: Convert to fraction form
    79,702,359.13/119,450,891.44 = 38,682,415.27/x
  3. Step 3: Cross multiply
    79,702,359.13x = 119,450,891.44 × 38,682,415.27
  4. Step 4: Simplify right side
    79,702,359.13x = 4,620,648,987,053,769
  5. Step 5: Solve for x
    x = 4,620,648,987,053,769/79,702,359.13
  6. Step 6: Final answer
    x = 57,973,804.51

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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.