Home / 71,351,825.52-98,473,687.38-39,998,342.64

Finding the Fourth Proportional to 71,351,825.52, 98,473,687.38 and 39,998,342.64

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Solution

The fourth proportional to 71,351,825.52, 98,473,687.38 and 39,998,342.64 is: 55,202,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,351,825.52 : 98,473,687.38 = 39,998,342.64 : x
  2. Step 2: Convert to fraction form
    71,351,825.52/98,473,687.38 = 39,998,342.64/x
  3. Step 3: Cross multiply
    71,351,825.52x = 98,473,687.38 × 39,998,342.64
  4. Step 4: Simplify right side
    71,351,825.52x = 3,938,784,288,849,484
  5. Step 5: Solve for x
    x = 3,938,784,288,849,484/71,351,825.52
  6. Step 6: Final answer
    x = 55,202,291.74

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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.