Home / 276,794,388.80-381,969,532.32-153,031,883.84

Finding the Fourth Proportional to 276,794,388.80, 381,969,532.32 and 153,031,883.84

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Solution

The fourth proportional to 276,794,388.80, 381,969,532.32 and 153,031,883.84 is: 211,180,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,794,388.80 : 381,969,532.32 = 153,031,883.84 : x
  2. Step 2: Convert to fraction form
    276,794,388.80/381,969,532.32 = 153,031,883.84/x
  3. Step 3: Cross multiply
    276,794,388.80x = 381,969,532.32 × 153,031,883.84
  4. Step 4: Simplify right side
    276,794,388.80x = 58,453,517,100,413,368
  5. Step 5: Solve for x
    x = 58,453,517,100,413,368/276,794,388.80
  6. Step 6: Final answer
    x = 211,180,282.06

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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.