Home / 123,992,240.38-171,132,980.97-82,102,420.42

Finding the Fourth Proportional to 123,992,240.38, 171,132,980.97 and 82,102,420.42

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Solution

The fourth proportional to 123,992,240.38, 171,132,980.97 and 82,102,420.42 is: 113,317,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,992,240.38 : 171,132,980.97 = 82,102,420.42 : x
  2. Step 2: Convert to fraction form
    123,992,240.38/171,132,980.97 = 82,102,420.42/x
  3. Step 3: Cross multiply
    123,992,240.38x = 171,132,980.97 × 82,102,420.42
  4. Step 4: Simplify right side
    123,992,240.38x = 14,050,431,951,326,800
  5. Step 5: Solve for x
    x = 14,050,431,951,326,800/123,992,240.38
  6. Step 6: Final answer
    x = 113,317,026.20

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1.5x scale

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.