Home / 198,871,274,537.53-274,442,468,766.09-107,419,824,820.11

Finding the Fourth Proportional to 198,871,274,537.53, 274,442,468,766.09 and 107,419,824,820.11

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Solution

The fourth proportional to 198,871,274,537.53, 274,442,468,766.09 and 107,419,824,820.11 is: 148,239,417,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,274,537.53 : 274,442,468,766.09 = 107,419,824,820.11 : x
  2. Step 2: Convert to fraction form
    198,871,274,537.53/274,442,468,766.09 = 107,419,824,820.11/x
  3. Step 3: Cross multiply
    198,871,274,537.53x = 274,442,468,766.09 × 107,419,824,820.11
  4. Step 4: Simplify right side
    198,871,274,537.53x = 29,480,561,918,051,895,738,368
  5. Step 5: Solve for x
    x = 29,480,561,918,051,895,738,368/198,871,274,537.53
  6. Step 6: Final answer
    x = 148,239,417,616.29

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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.