Home / 85,703,685.75-118,278,380.48-48,540,577.04

Finding the Fourth Proportional to 85,703,685.75, 118,278,380.48 and 48,540,577.04

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Solution

The fourth proportional to 85,703,685.75, 118,278,380.48 and 48,540,577.04 is: 66,990,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,703,685.75 : 118,278,380.48 = 48,540,577.04 : x
  2. Step 2: Convert to fraction form
    85,703,685.75/118,278,380.48 = 48,540,577.04/x
  3. Step 3: Cross multiply
    85,703,685.75x = 118,278,380.48 × 48,540,577.04
  4. Step 4: Simplify right side
    85,703,685.75x = 5,741,300,839,855,872
  5. Step 5: Solve for x
    x = 5,741,300,839,855,872/85,703,685.75
  6. Step 6: Final answer
    x = 66,990,127.55

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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.