Home / 276,783,299.92-381,968,927.40-153,031,966.48

Finding the Fourth Proportional to 276,783,299.92, 381,968,927.40 and 153,031,966.48

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Solution

The fourth proportional to 276,783,299.92, 381,968,927.40 and 153,031,966.48 is: 211,188,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,783,299.92 : 381,968,927.40 = 153,031,966.48 : x
  2. Step 2: Convert to fraction form
    276,783,299.92/381,968,927.40 = 153,031,966.48/x
  3. Step 3: Cross multiply
    276,783,299.92x = 381,968,927.40 × 153,031,966.48
  4. Step 4: Simplify right side
    276,783,299.92x = 58,453,456,094,278,344
  5. Step 5: Solve for x
    x = 58,453,456,094,278,344/276,783,299.92
  6. Step 6: Final answer
    x = 211,188,522.25

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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.