Home / 198,871,274,538.54-274,442,468,767.46-107,419,824,821.12

Finding the Fourth Proportional to 198,871,274,538.54, 274,442,468,767.46 and 107,419,824,821.12

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Solution

The fourth proportional to 198,871,274,538.54, 274,442,468,767.46 and 107,419,824,821.12 is: 148,239,417,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,274,538.54 : 274,442,468,767.46 = 107,419,824,821.12 : x
  2. Step 2: Convert to fraction form
    198,871,274,538.54/274,442,468,767.46 = 107,419,824,821.12/x
  3. Step 3: Cross multiply
    198,871,274,538.54x = 274,442,468,767.46 × 107,419,824,821.12
  4. Step 4: Simplify right side
    198,871,274,538.54x = 29,480,561,918,476,246,056,960
  5. Step 5: Solve for x
    x = 29,480,561,918,476,246,056,960/198,871,274,538.54
  6. Step 6: Final answer
    x = 148,239,417,617.67

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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.