Home / 276,037,824.89-380,926,067.28-152,278,469.21

Finding the Fourth Proportional to 276,037,824.89, 380,926,067.28 and 152,278,469.21

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Solution

The fourth proportional to 276,037,824.89, 380,926,067.28 and 152,278,469.21 is: 210,140,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,037,824.89 : 380,926,067.28 = 152,278,469.21 : x
  2. Step 2: Convert to fraction form
    276,037,824.89/380,926,067.28 = 152,278,469.21/x
  3. Step 3: Cross multiply
    276,037,824.89x = 380,926,067.28 × 152,278,469.21
  4. Step 4: Simplify right side
    276,037,824.89x = 58,006,838,405,679,240
  5. Step 5: Solve for x
    x = 58,006,838,405,679,240/276,037,824.89
  6. Step 6: Final answer
    x = 210,140,905.25

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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.