Home / 198,871,219,389.96-274,442,392,852.43-107,419,769,741.79

Finding the Fourth Proportional to 198,871,219,389.96, 274,442,392,852.43 and 107,419,769,741.79

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Solution

The fourth proportional to 198,871,219,389.96, 274,442,392,852.43 and 107,419,769,741.79 is: 148,239,341,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,871,219,389.96 : 274,442,392,852.43 = 107,419,769,741.79 : x
  2. Step 2: Convert to fraction form
    198,871,219,389.96/274,442,392,852.43 = 107,419,769,741.79/x
  3. Step 3: Cross multiply
    198,871,219,389.96x = 274,442,392,852.43 × 107,419,769,741.79
  4. Step 4: Simplify right side
    198,871,219,389.96x = 29,480,538,647,593,901,621,248
  5. Step 5: Solve for x
    x = 29,480,538,647,593,901,621,248/198,871,219,389.96
  6. Step 6: Final answer
    x = 148,239,341,710.81

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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.