Home / 67,999,766.38-102,019,661.67-21,940,771.36

Finding the Fourth Proportional to 67,999,766.38, 102,019,661.67 and 21,940,771.36

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Solution

The fourth proportional to 67,999,766.38, 102,019,661.67 and 21,940,771.36 is: 32,917,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,766.38 : 102,019,661.67 = 21,940,771.36 : x
  2. Step 2: Convert to fraction form
    67,999,766.38/102,019,661.67 = 21,940,771.36/x
  3. Step 3: Cross multiply
    67,999,766.38x = 102,019,661.67 × 21,940,771.36
  4. Step 4: Simplify right side
    67,999,766.38x = 2,238,390,070,926,025.75
  5. Step 5: Solve for x
    x = 2,238,390,070,926,025.75/67,999,766.38
  6. Step 6: Final answer
    x = 32,917,614.13

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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.