Home / 110,640,661.60-165,960,992.40-83,766,805.60

Finding the Fourth Proportional to 110,640,661.60, 165,960,992.40 and 83,766,805.60

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Solution

The fourth proportional to 110,640,661.60, 165,960,992.40 and 83,766,805.60 is: 125,650,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,640,661.60 : 165,960,992.40 = 83,766,805.60 : x
  2. Step 2: Convert to fraction form
    110,640,661.60/165,960,992.40 = 83,766,805.60/x
  3. Step 3: Cross multiply
    110,640,661.60x = 165,960,992.40 × 83,766,805.60
  4. Step 4: Simplify right side
    110,640,661.60x = 13,902,022,187,553,876
  5. Step 5: Solve for x
    x = 13,902,022,187,553,876/110,640,661.60
  6. Step 6: Final answer
    x = 125,650,208.40

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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.