Home / 197,145,936.86-295,656,014.45-67,722,338.66

Finding the Fourth Proportional to 197,145,936.86, 295,656,014.45 and 67,722,338.66

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Solution

The fourth proportional to 197,145,936.86, 295,656,014.45 and 67,722,338.66 is: 101,561,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145,936.86 : 295,656,014.45 = 67,722,338.66 : x
  2. Step 2: Convert to fraction form
    197,145,936.86/295,656,014.45 = 67,722,338.66/x
  3. Step 3: Cross multiply
    197,145,936.86x = 295,656,014.45 × 67,722,338.66
  4. Step 4: Simplify right side
    197,145,936.86x = 20,022,516,737,448,752
  5. Step 5: Solve for x
    x = 20,022,516,737,448,752/197,145,936.86
  6. Step 6: Final answer
    x = 101,561,904.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.