Home / 197,997,738,148.92-273,243,478,620.78-111,205,602,786.36

Finding the Fourth Proportional to 197,997,738,148.92, 273,243,478,620.78 and 111,205,602,786.36

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Solution

The fourth proportional to 197,997,738,148.92, 273,243,478,620.78 and 111,205,602,786.36 is: 153,467,438,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,997,738,148.92 : 273,243,478,620.78 = 111,205,602,786.36 : x
  2. Step 2: Convert to fraction form
    197,997,738,148.92/273,243,478,620.78 = 111,205,602,786.36/x
  3. Step 3: Cross multiply
    197,997,738,148.92x = 273,243,478,620.78 × 111,205,602,786.36
  4. Step 4: Simplify right side
    197,997,738,148.92x = 30,386,205,747,465,712,304,128
  5. Step 5: Solve for x
    x = 30,386,205,747,465,712,304,128/197,997,738,148.92
  6. Step 6: Final answer
    x = 153,467,438,727.06

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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.