Home / 197,964,981.60-296,947,472.40-133,467,727.20

Finding the Fourth Proportional to 197,964,981.60, 296,947,472.40 and 133,467,727.20

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Solution

The fourth proportional to 197,964,981.60, 296,947,472.40 and 133,467,727.20 is: 200,201,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,964,981.60 : 296,947,472.40 = 133,467,727.20 : x
  2. Step 2: Convert to fraction form
    197,964,981.60/296,947,472.40 = 133,467,727.20/x
  3. Step 3: Cross multiply
    197,964,981.60x = 296,947,472.40 × 133,467,727.20
  4. Step 4: Simplify right side
    197,964,981.60x = 39,632,904,239,012,728
  5. Step 5: Solve for x
    x = 39,632,904,239,012,728/197,964,981.60
  6. Step 6: Final answer
    x = 200,201,590.80

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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.