Home / 202,146,812.61-278,962,601.84-109,327,320.44

Finding the Fourth Proportional to 202,146,812.61, 278,962,601.84 and 109,327,320.44

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Solution

The fourth proportional to 202,146,812.61, 278,962,601.84 and 109,327,320.44 is: 150,871,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,812.61 : 278,962,601.84 = 109,327,320.44 : x
  2. Step 2: Convert to fraction form
    202,146,812.61/278,962,601.84 = 109,327,320.44/x
  3. Step 3: Cross multiply
    202,146,812.61x = 278,962,601.84 × 109,327,320.44
  4. Step 4: Simplify right side
    202,146,812.61x = 30,498,233,762,137,812
  5. Step 5: Solve for x
    x = 30,498,233,762,137,812/202,146,812.61
  6. Step 6: Final answer
    x = 150,871,702.44

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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.