Home / 276,487,408.45-381,564,209.55-159,012,818.20

Finding the Fourth Proportional to 276,487,408.45, 381,564,209.55 and 159,012,818.20

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Solution

The fourth proportional to 276,487,408.45, 381,564,209.55 and 159,012,818.20 is: 219,444,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,487,408.45 : 381,564,209.55 = 159,012,818.20 : x
  2. Step 2: Convert to fraction form
    276,487,408.45/381,564,209.55 = 159,012,818.20/x
  3. Step 3: Cross multiply
    276,487,408.45x = 381,564,209.55 × 159,012,818.20
  4. Step 4: Simplify right side
    276,487,408.45x = 60,673,600,284,800,848
  5. Step 5: Solve for x
    x = 60,673,600,284,800,848/276,487,408.45
  6. Step 6: Final answer
    x = 219,444,352.37

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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.