Home / 66,082,070.05-91,187,910.24-38,206,568.73

Finding the Fourth Proportional to 66,082,070.05, 91,187,910.24 and 38,206,568.73

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Solution

The fourth proportional to 66,082,070.05, 91,187,910.24 and 38,206,568.73 is: 52,721,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082,070.05 : 91,187,910.24 = 38,206,568.73 : x
  2. Step 2: Convert to fraction form
    66,082,070.05/91,187,910.24 = 38,206,568.73/x
  3. Step 3: Cross multiply
    66,082,070.05x = 91,187,910.24 × 38,206,568.73
  4. Step 4: Simplify right side
    66,082,070.05x = 3,483,977,160,253,117.50
  5. Step 5: Solve for x
    x = 3,483,977,160,253,117.50/66,082,070.05
  6. Step 6: Final answer
    x = 52,721,973.72

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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.