Home / 142,569,216.98-196,723,046.44-83,040,310.20

Finding the Fourth Proportional to 142,569,216.98, 196,723,046.44 and 83,040,310.20

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Solution

The fourth proportional to 142,569,216.98, 196,723,046.44 and 83,040,310.20 is: 114,582,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,569,216.98 : 196,723,046.44 = 83,040,310.20 : x
  2. Step 2: Convert to fraction form
    142,569,216.98/196,723,046.44 = 83,040,310.20/x
  3. Step 3: Cross multiply
    142,569,216.98x = 196,723,046.44 × 83,040,310.20
  4. Step 4: Simplify right side
    142,569,216.98x = 16,335,942,799,866,606
  5. Step 5: Solve for x
    x = 16,335,942,799,866,606/142,569,216.98
  6. Step 6: Final answer
    x = 114,582,538.54

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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.