Home / 67,999,768.40-102,019,664.66-21,940,773.38

Finding the Fourth Proportional to 67,999,768.40, 102,019,664.66 and 21,940,773.38

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Solution

The fourth proportional to 67,999,768.40, 102,019,664.66 and 21,940,773.38 is: 32,917,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,768.40 : 102,019,664.66 = 21,940,773.38 : x
  2. Step 2: Convert to fraction form
    67,999,768.40/102,019,664.66 = 21,940,773.38/x
  3. Step 3: Cross multiply
    67,999,768.40x = 102,019,664.66 × 21,940,773.38
  4. Step 4: Simplify right side
    67,999,768.40x = 2,238,390,342,608,654.50
  5. Step 5: Solve for x
    x = 2,238,390,342,608,654.50/67,999,768.40
  6. Step 6: Final answer
    x = 32,917,617.15

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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.