Home / 126,162,654.80-189,243,982.20-123,328,302.80

Finding the Fourth Proportional to 126,162,654.80, 189,243,982.20 and 123,328,302.80

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Solution

The fourth proportional to 126,162,654.80, 189,243,982.20 and 123,328,302.80 is: 184,992,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,162,654.80 : 189,243,982.20 = 123,328,302.80 : x
  2. Step 2: Convert to fraction form
    126,162,654.80/189,243,982.20 = 123,328,302.80/x
  3. Step 3: Cross multiply
    126,162,654.80x = 189,243,982.20 × 123,328,302.80
  4. Step 4: Simplify right side
    126,162,654.80x = 23,339,139,139,839,408
  5. Step 5: Solve for x
    x = 23,339,139,139,839,408/126,162,654.80
  6. Step 6: Final answer
    x = 184,992,454.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.