Home / 143,998,235.01-198,678,188.21-82,095,987.33

Finding the Fourth Proportional to 143,998,235.01, 198,678,188.21 and 82,095,987.33

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Solution

The fourth proportional to 143,998,235.01, 198,678,188.21 and 82,095,987.33 is: 113,270,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,998,235.01 : 198,678,188.21 = 82,095,987.33 : x
  2. Step 2: Convert to fraction form
    143,998,235.01/198,678,188.21 = 82,095,987.33/x
  3. Step 3: Cross multiply
    143,998,235.01x = 198,678,188.21 × 82,095,987.33
  4. Step 4: Simplify right side
    143,998,235.01x = 16,310,682,021,625,036
  5. Step 5: Solve for x
    x = 16,310,682,021,625,036/143,998,235.01
  6. Step 6: Final answer
    x = 113,270,013.49

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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.