Home / 203,938,899.33-305,968,042.77-65,761,727.47

Finding the Fourth Proportional to 203,938,899.33, 305,968,042.77 and 65,761,727.47

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Solution

The fourth proportional to 203,938,899.33, 305,968,042.77 and 65,761,727.47 is: 98,661,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,899.33 : 305,968,042.77 = 65,761,727.47 : x
  2. Step 2: Convert to fraction form
    203,938,899.33/305,968,042.77 = 65,761,727.47/x
  3. Step 3: Cross multiply
    203,938,899.33x = 305,968,042.77 × 65,761,727.47
  4. Step 4: Simplify right side
    203,938,899.33x = 20,120,987,043,170,044
  5. Step 5: Solve for x
    x = 20,120,987,043,170,044/203,938,899.33
  6. Step 6: Final answer
    x = 98,661,839.94

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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.