Home / 126,797,821.97-190,063,986.59-53,063,847.45

Finding the Fourth Proportional to 126,797,821.97, 190,063,986.59 and 53,063,847.45

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Solution

The fourth proportional to 126,797,821.97, 190,063,986.59 and 53,063,847.45 is: 79,540,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,797,821.97 : 190,063,986.59 = 53,063,847.45 : x
  2. Step 2: Convert to fraction form
    126,797,821.97/190,063,986.59 = 53,063,847.45/x
  3. Step 3: Cross multiply
    126,797,821.97x = 190,063,986.59 × 53,063,847.45
  4. Step 4: Simplify right side
    126,797,821.97x = 10,085,526,390,414,590
  5. Step 5: Solve for x
    x = 10,085,526,390,414,590/126,797,821.97
  6. Step 6: Final answer
    x = 79,540,217.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.