Home / 276,274,228.50-381,259,653.06-152,515,922.58

Finding the Fourth Proportional to 276,274,228.50, 381,259,653.06 and 152,515,922.58

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Solution

The fourth proportional to 276,274,228.50, 381,259,653.06 and 152,515,922.58 is: 210,472,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,274,228.50 : 381,259,653.06 = 152,515,922.58 : x
  2. Step 2: Convert to fraction form
    276,274,228.50/381,259,653.06 = 152,515,922.58/x
  3. Step 3: Cross multiply
    276,274,228.50x = 381,259,653.06 × 152,515,922.58
  4. Step 4: Simplify right side
    276,274,228.50x = 58,148,167,728,976,624
  5. Step 5: Solve for x
    x = 58,148,167,728,976,624/276,274,228.50
  6. Step 6: Final answer
    x = 210,472,645.40

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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.