Home / 82,738,450.32-114,187,126.36-61,794,121.32

Finding the Fourth Proportional to 82,738,450.32, 114,187,126.36 and 61,794,121.32

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Solution

The fourth proportional to 82,738,450.32, 114,187,126.36 and 61,794,121.32 is: 85,281,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738,450.32 : 114,187,126.36 = 61,794,121.32 : x
  2. Step 2: Convert to fraction form
    82,738,450.32/114,187,126.36 = 61,794,121.32/x
  3. Step 3: Cross multiply
    82,738,450.32x = 114,187,126.36 × 61,794,121.32
  4. Step 4: Simplify right side
    82,738,450.32x = 7,056,093,139,472,010
  5. Step 5: Solve for x
    x = 7,056,093,139,472,010/82,738,450.32
  6. Step 6: Final answer
    x = 85,281,910.79

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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.