Home / 126,361,927.72-189,542,890.14-30,623,815.72

Finding the Fourth Proportional to 126,361,927.72, 189,542,890.14 and 30,623,815.72

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Solution

The fourth proportional to 126,361,927.72, 189,542,890.14 and 30,623,815.72 is: 45,935,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,361,927.72 : 189,542,890.14 = 30,623,815.72 : x
  2. Step 2: Convert to fraction form
    126,361,927.72/189,542,890.14 = 30,623,815.72/x
  3. Step 3: Cross multiply
    126,361,927.72x = 189,542,890.14 × 30,623,815.72
  4. Step 4: Simplify right side
    126,361,927.72x = 5,804,526,538,683,564
  5. Step 5: Solve for x
    x = 5,804,526,538,683,564/126,361,927.72
  6. Step 6: Final answer
    x = 45,935,723.23

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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.