Home / 307,738,379.96-424,682,390.34-166,612,675.79

Finding the Fourth Proportional to 307,738,379.96, 424,682,390.34 and 166,612,675.79

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Solution

The fourth proportional to 307,738,379.96, 424,682,390.34 and 166,612,675.79 is: 229,927,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,738,379.96 : 424,682,390.34 = 166,612,675.79 : x
  2. Step 2: Convert to fraction form
    307,738,379.96/424,682,390.34 = 166,612,675.79/x
  3. Step 3: Cross multiply
    307,738,379.96x = 424,682,390.34 × 166,612,675.79
  4. Step 4: Simplify right side
    307,738,379.96x = 70,757,469,415,440,640
  5. Step 5: Solve for x
    x = 70,757,469,415,440,640/307,738,379.96
  6. Step 6: Final answer
    x = 229,927,347.46

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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.