Home / 202,146,813.86-278,962,603.56-109,327,321.69

Finding the Fourth Proportional to 202,146,813.86, 278,962,603.56 and 109,327,321.69

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Solution

The fourth proportional to 202,146,813.86, 278,962,603.56 and 109,327,321.69 is: 150,871,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,813.86 : 278,962,603.56 = 109,327,321.69 : x
  2. Step 2: Convert to fraction form
    202,146,813.86/278,962,603.56 = 109,327,321.69/x
  3. Step 3: Cross multiply
    202,146,813.86x = 278,962,603.56 × 109,327,321.69
  4. Step 4: Simplify right side
    202,146,813.86x = 30,498,234,298,186,652
  5. Step 5: Solve for x
    x = 30,498,234,298,186,652/202,146,813.86
  6. Step 6: Final answer
    x = 150,871,704.17

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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.