Home / 144,149,896.71-198,926,794.62-78,070,398.03

Finding the Fourth Proportional to 144,149,896.71, 198,926,794.62 and 78,070,398.03

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Solution

The fourth proportional to 144,149,896.71, 198,926,794.62 and 78,070,398.03 is: 107,737,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,149,896.71 : 198,926,794.62 = 78,070,398.03 : x
  2. Step 2: Convert to fraction form
    144,149,896.71/198,926,794.62 = 78,070,398.03/x
  3. Step 3: Cross multiply
    144,149,896.71x = 198,926,794.62 × 78,070,398.03
  4. Step 4: Simplify right side
    144,149,896.71x = 15,530,294,034,815,464
  5. Step 5: Solve for x
    x = 15,530,294,034,815,464/144,149,896.71
  6. Step 6: Final answer
    x = 107,737,115.25

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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.