Home / 198,871,219,603.88-274,442,393,147.55-107,419,769,955.71

Finding the Fourth Proportional to 198,871,219,603.88, 274,442,393,147.55 and 107,419,769,955.71

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Solution

The fourth proportional to 198,871,219,603.88, 274,442,393,147.55 and 107,419,769,955.71 is: 148,239,342,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,219,603.88 : 274,442,393,147.55 = 107,419,769,955.71 : x
  2. Step 2: Convert to fraction form
    198,871,219,603.88/274,442,393,147.55 = 107,419,769,955.71/x
  3. Step 3: Cross multiply
    198,871,219,603.88x = 274,442,393,147.55 × 107,419,769,955.71
  4. Step 4: Simplify right side
    198,871,219,603.88x = 29,480,538,738,004,343,128,064
  5. Step 5: Solve for x
    x = 29,480,538,738,004,343,128,064/198,871,219,603.88
  6. Step 6: Final answer
    x = 148,239,342,005.97

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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.