Home / 198,871,274,535.53-274,442,468,763.33-107,419,824,818.11

Finding the Fourth Proportional to 198,871,274,535.53, 274,442,468,763.33 and 107,419,824,818.11

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Solution

The fourth proportional to 198,871,274,535.53, 274,442,468,763.33 and 107,419,824,818.11 is: 148,239,417,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,274,535.53 : 274,442,468,763.33 = 107,419,824,818.11 : x
  2. Step 2: Convert to fraction form
    198,871,274,535.53/274,442,468,763.33 = 107,419,824,818.11/x
  3. Step 3: Cross multiply
    198,871,274,535.53x = 274,442,468,763.33 × 107,419,824,818.11
  4. Step 4: Simplify right side
    198,871,274,535.53x = 29,480,561,917,206,533,767,168
  5. Step 5: Solve for x
    x = 29,480,561,917,206,533,767,168/198,871,274,535.53
  6. Step 6: Final answer
    x = 148,239,417,613.53

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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.