Home / 202,146,361.92-278,961,977.25-109,326,869.73

Finding the Fourth Proportional to 202,146,361.92, 278,961,977.25 and 109,326,869.73

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Solution

The fourth proportional to 202,146,361.92, 278,961,977.25 and 109,326,869.73 is: 150,871,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,361.92 : 278,961,977.25 = 109,326,869.73 : x
  2. Step 2: Convert to fraction form
    202,146,361.92/278,961,977.25 = 109,326,869.73/x
  3. Step 3: Cross multiply
    202,146,361.92x = 278,961,977.25 × 109,326,869.73
  4. Step 4: Simplify right side
    202,146,361.92x = 30,498,039,746,433,976
  5. Step 5: Solve for x
    x = 30,498,039,746,433,976/202,146,361.92
  6. Step 6: Final answer
    x = 150,871,079.04

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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.