Home / 85,703,724.74-118,278,434.23-48,540,616.04

Finding the Fourth Proportional to 85,703,724.74, 118,278,434.23 and 48,540,616.04

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Solution

The fourth proportional to 85,703,724.74, 118,278,434.23 and 48,540,616.04 is: 66,990,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,703,724.74 : 118,278,434.23 = 48,540,616.04 : x
  2. Step 2: Convert to fraction form
    85,703,724.74/118,278,434.23 = 48,540,616.04/x
  3. Step 3: Cross multiply
    85,703,724.74x = 118,278,434.23 × 48,540,616.04
  4. Step 4: Simplify right side
    85,703,724.74x = 5,741,308,061,945,168
  5. Step 5: Solve for x
    x = 5,741,308,061,945,168/85,703,724.74
  6. Step 6: Final answer
    x = 66,990,181.34

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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.