Home / 71,383,241.25-98,509,463.42-38,788,193.25

Finding the Fourth Proportional to 71,383,241.25, 98,509,463.42 and 38,788,193.25

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Solution

The fourth proportional to 71,383,241.25, 98,509,463.42 and 38,788,193.25 is: 53,528,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383,241.25 : 98,509,463.42 = 38,788,193.25 : x
  2. Step 2: Convert to fraction form
    71,383,241.25/98,509,463.42 = 38,788,193.25/x
  3. Step 3: Cross multiply
    71,383,241.25x = 98,509,463.42 × 38,788,193.25
  4. Step 4: Simplify right side
    71,383,241.25x = 3,821,004,103,894,825
  5. Step 5: Solve for x
    x = 3,821,004,103,894,825/71,383,241.25
  6. Step 6: Final answer
    x = 53,528,027.55

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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.