Home / 276,241,176.96-381,212,766.72-152,481,821.28

Finding the Fourth Proportional to 276,241,176.96, 381,212,766.72 and 152,481,821.28

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Solution

The fourth proportional to 276,241,176.96, 381,212,766.72 and 152,481,821.28 is: 210,424,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,241,176.96 : 381,212,766.72 = 152,481,821.28 : x
  2. Step 2: Convert to fraction form
    276,241,176.96/381,212,766.72 = 152,481,821.28/x
  3. Step 3: Cross multiply
    276,241,176.96x = 381,212,766.72 × 152,481,821.28
  4. Step 4: Simplify right side
    276,241,176.96x = 58,128,016,964,653,376
  5. Step 5: Solve for x
    x = 58,128,016,964,653,376/276,241,176.96
  6. Step 6: Final answer
    x = 210,424,881.64

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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.