Home / 197,864,455.66-296,494,021.82-105,761,301.68

Finding the Fourth Proportional to 197,864,455.66, 296,494,021.82 and 105,761,301.68

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Solution

The fourth proportional to 197,864,455.66, 296,494,021.82 and 105,761,301.68 is: 158,480,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,864,455.66 : 296,494,021.82 = 105,761,301.68 : x
  2. Step 2: Convert to fraction form
    197,864,455.66/296,494,021.82 = 105,761,301.68/x
  3. Step 3: Cross multiply
    197,864,455.66x = 296,494,021.82 × 105,761,301.68
  4. Step 4: Simplify right side
    197,864,455.66x = 31,357,593,689,027,160
  5. Step 5: Solve for x
    x = 31,357,593,689,027,160/197,864,455.66
  6. Step 6: Final answer
    x = 158,480,175.66

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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.