Home / 134,128,188.40-201,192,282.60-126,192,002.80

Finding the Fourth Proportional to 134,128,188.40, 201,192,282.60 and 126,192,002.80

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Solution

The fourth proportional to 134,128,188.40, 201,192,282.60 and 126,192,002.80 is: 189,288,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128,188.40 : 201,192,282.60 = 126,192,002.80 : x
  2. Step 2: Convert to fraction form
    134,128,188.40/201,192,282.60 = 126,192,002.80/x
  3. Step 3: Cross multiply
    134,128,188.40x = 201,192,282.60 × 126,192,002.80
  4. Step 4: Simplify right side
    134,128,188.40x = 25,388,857,089,197,588
  5. Step 5: Solve for x
    x = 25,388,857,089,197,588/134,128,188.40
  6. Step 6: Final answer
    x = 189,288,004.20

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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.