Home / 126,858,515.40-190,308,768.30-54,110,147.40

Finding the Fourth Proportional to 126,858,515.40, 190,308,768.30 and 54,110,147.40

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Solution

The fourth proportional to 126,858,515.40, 190,308,768.30 and 54,110,147.40 is: 81,174,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858,515.40 : 190,308,768.30 = 54,110,147.40 : x
  2. Step 2: Convert to fraction form
    126,858,515.40/190,308,768.30 = 54,110,147.40/x
  3. Step 3: Cross multiply
    126,858,515.40x = 190,308,768.30 × 54,110,147.40
  4. Step 4: Simplify right side
    126,858,515.40x = 10,297,635,504,225,448
  5. Step 5: Solve for x
    x = 10,297,635,504,225,448/126,858,515.40
  6. Step 6: Final answer
    x = 81,174,176.38

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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.