Home / 202,146,813.61-278,962,603.22-109,327,321.44

Finding the Fourth Proportional to 202,146,813.61, 278,962,603.22 and 109,327,321.44

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Solution

The fourth proportional to 202,146,813.61, 278,962,603.22 and 109,327,321.44 is: 150,871,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,813.61 : 278,962,603.22 = 109,327,321.44 : x
  2. Step 2: Convert to fraction form
    202,146,813.61/278,962,603.22 = 109,327,321.44/x
  3. Step 3: Cross multiply
    202,146,813.61x = 278,962,603.22 × 109,327,321.44
  4. Step 4: Simplify right side
    202,146,813.61x = 30,498,234,191,972,120
  5. Step 5: Solve for x
    x = 30,498,234,191,972,120/202,146,813.61
  6. Step 6: Final answer
    x = 150,871,703.82

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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.