Home / 197,770,828.90-272,910,440.22-109,661,564.76

Finding the Fourth Proportional to 197,770,828.90, 272,910,440.22 and 109,661,564.76

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Solution

The fourth proportional to 197,770,828.90, 272,910,440.22 and 109,661,564.76 is: 151,325,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,770,828.90 : 272,910,440.22 = 109,661,564.76 : x
  2. Step 2: Convert to fraction form
    197,770,828.90/272,910,440.22 = 109,661,564.76/x
  3. Step 3: Cross multiply
    197,770,828.90x = 272,910,440.22 × 109,661,564.76
  4. Step 4: Simplify right side
    197,770,828.90x = 29,927,785,913,865,644
  5. Step 5: Solve for x
    x = 29,927,785,913,865,644/197,770,828.90
  6. Step 6: Final answer
    x = 151,325,582.65

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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.