Home / 193,647,456.12-267,225,708.42-105,539,561.59

Finding the Fourth Proportional to 193,647,456.12, 267,225,708.42 and 105,539,561.59

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Solution

The fourth proportional to 193,647,456.12, 267,225,708.42 and 105,539,561.59 is: 145,640,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,647,456.12 : 267,225,708.42 = 105,539,561.59 : x
  2. Step 2: Convert to fraction form
    193,647,456.12/267,225,708.42 = 105,539,561.59/x
  3. Step 3: Cross multiply
    193,647,456.12x = 267,225,708.42 × 105,539,561.59
  4. Step 4: Simplify right side
    193,647,456.12x = 28,202,884,112,223,972
  5. Step 5: Solve for x
    x = 28,202,884,112,223,972/193,647,456.12
  6. Step 6: Final answer
    x = 145,640,354.27

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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.