Home / 85,703,725.25-118,278,434.92-48,540,616.55

Finding the Fourth Proportional to 85,703,725.25, 118,278,434.92 and 48,540,616.55

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Solution

The fourth proportional to 85,703,725.25, 118,278,434.92 and 48,540,616.55 is: 66,990,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,703,725.25 : 118,278,434.92 = 48,540,616.55 : x
  2. Step 2: Convert to fraction form
    85,703,725.25/118,278,434.92 = 48,540,616.55/x
  3. Step 3: Cross multiply
    85,703,725.25x = 118,278,434.92 × 48,540,616.55
  4. Step 4: Simplify right side
    85,703,725.25x = 5,741,308,154,994,458
  5. Step 5: Solve for x
    x = 5,741,308,154,994,458/85,703,725.25
  6. Step 6: Final answer
    x = 66,990,182.03

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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.