Home / 48,498,077.70-72,747,116.55-31,279,389.30

Finding the Fourth Proportional to 48,498,077.70, 72,747,116.55 and 31,279,389.30

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Solution

The fourth proportional to 48,498,077.70, 72,747,116.55 and 31,279,389.30 is: 46,919,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498,077.70 : 72,747,116.55 = 31,279,389.30 : x
  2. Step 2: Convert to fraction form
    48,498,077.70/72,747,116.55 = 31,279,389.30/x
  3. Step 3: Cross multiply
    48,498,077.70x = 72,747,116.55 × 31,279,389.30
  4. Step 4: Simplify right side
    48,498,077.70x = 2,275,485,379,019,923
  5. Step 5: Solve for x
    x = 2,275,485,379,019,923/48,498,077.70
  6. Step 6: Final answer
    x = 46,919,083.95

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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.