Home / 82,749,123.70-114,193,790.22-47,961,992.14

Finding the Fourth Proportional to 82,749,123.70, 114,193,790.22 and 47,961,992.14

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Solution

The fourth proportional to 82,749,123.70, 114,193,790.22 and 47,961,992.14 is: 66,187,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749,123.70 : 114,193,790.22 = 47,961,992.14 : x
  2. Step 2: Convert to fraction form
    82,749,123.70/114,193,790.22 = 47,961,992.14/x
  3. Step 3: Cross multiply
    82,749,123.70x = 114,193,790.22 × 47,961,992.14
  4. Step 4: Simplify right side
    82,749,123.70x = 5,476,961,668,968,449
  5. Step 5: Solve for x
    x = 5,476,961,668,968,449/82,749,123.70
  6. Step 6: Final answer
    x = 66,187,548.87

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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.