Home / 178,821,690.73-268,245,305.08-47,663,279.18

Finding the Fourth Proportional to 178,821,690.73, 268,245,305.08 and 47,663,279.18

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Solution

The fourth proportional to 178,821,690.73, 268,245,305.08 and 47,663,279.18 is: 71,498,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821,690.73 : 268,245,305.08 = 47,663,279.18 : x
  2. Step 2: Convert to fraction form
    178,821,690.73/268,245,305.08 = 47,663,279.18/x
  3. Step 3: Cross multiply
    178,821,690.73x = 268,245,305.08 × 47,663,279.18
  4. Step 4: Simplify right side
    178,821,690.73x = 12,785,450,864,297,846
  5. Step 5: Solve for x
    x = 12,785,450,864,297,846/178,821,690.73
  6. Step 6: Final answer
    x = 71,498,322.22

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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.