Home / 166,115,604.94-229,241,940.30-91,777,875.19

Finding the Fourth Proportional to 166,115,604.94, 229,241,940.30 and 91,777,875.19

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Solution

The fourth proportional to 166,115,604.94, 229,241,940.30 and 91,777,875.19 is: 126,654,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,115,604.94 : 229,241,940.30 = 91,777,875.19 : x
  2. Step 2: Convert to fraction form
    166,115,604.94/229,241,940.30 = 91,777,875.19/x
  3. Step 3: Cross multiply
    166,115,604.94x = 229,241,940.30 × 91,777,875.19
  4. Step 4: Simplify right side
    166,115,604.94x = 21,039,338,184,593,728
  5. Step 5: Solve for x
    x = 21,039,338,184,593,728/166,115,604.94
  6. Step 6: Final answer
    x = 126,654,796.78

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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.