Home / 198,871,219,604.88-274,442,393,148.93-107,419,769,956.71

Finding the Fourth Proportional to 198,871,219,604.88, 274,442,393,148.93 and 107,419,769,956.71

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Solution

The fourth proportional to 198,871,219,604.88, 274,442,393,148.93 and 107,419,769,956.71 is: 148,239,342,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,219,604.88 : 274,442,393,148.93 = 107,419,769,956.71 : x
  2. Step 2: Convert to fraction form
    198,871,219,604.88/274,442,393,148.93 = 107,419,769,956.71/x
  3. Step 3: Cross multiply
    198,871,219,604.88x = 274,442,393,148.93 × 107,419,769,956.71
  4. Step 4: Simplify right side
    198,871,219,604.88x = 29,480,538,738,427,024,113,664
  5. Step 5: Solve for x
    x = 29,480,538,738,427,024,113,664/198,871,219,604.88
  6. Step 6: Final answer
    x = 148,239,342,007.35

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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.