Home / 127,975,998.60-191,963,997.90-82,059,496.20

Finding the Fourth Proportional to 127,975,998.60, 191,963,997.90 and 82,059,496.20

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Solution

The fourth proportional to 127,975,998.60, 191,963,997.90 and 82,059,496.20 is: 123,089,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,975,998.60 : 191,963,997.90 = 82,059,496.20 : x
  2. Step 2: Convert to fraction form
    127,975,998.60/191,963,997.90 = 82,059,496.20/x
  3. Step 3: Cross multiply
    127,975,998.60x = 191,963,997.90 × 82,059,496.20
  4. Step 4: Simplify right side
    127,975,998.60x = 15,752,468,956,211,860
  5. Step 5: Solve for x
    x = 15,752,468,956,211,860/127,975,998.60
  6. Step 6: Final answer
    x = 123,089,244.30

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1.5x scale

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.