Home / 53,759,089.47-80,638,637.88-21,433,692.42

Finding the Fourth Proportional to 53,759,089.47, 80,638,637.88 and 21,433,692.42

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Solution

The fourth proportional to 53,759,089.47, 80,638,637.88 and 21,433,692.42 is: 32,150,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759,089.47 : 80,638,637.88 = 21,433,692.42 : x
  2. Step 2: Convert to fraction form
    53,759,089.47/80,638,637.88 = 21,433,692.42/x
  3. Step 3: Cross multiply
    53,759,089.47x = 80,638,637.88 × 21,433,692.42
  4. Step 4: Simplify right side
    53,759,089.47x = 1,728,383,761,247,204.25
  5. Step 5: Solve for x
    x = 1,728,383,761,247,204.25/53,759,089.47
  6. Step 6: Final answer
    x = 32,150,540.09

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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.