Home / 100,415,998.80-150,623,998.20-27,632,638.80

Finding the Fourth Proportional to 100,415,998.80, 150,623,998.20 and 27,632,638.80

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Solution

The fourth proportional to 100,415,998.80, 150,623,998.20 and 27,632,638.80 is: 41,448,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,998.80 : 150,623,998.20 = 27,632,638.80 : x
  2. Step 2: Convert to fraction form
    100,415,998.80/150,623,998.20 = 27,632,638.80/x
  3. Step 3: Cross multiply
    100,415,998.80x = 150,623,998.20 × 27,632,638.80
  4. Step 4: Simplify right side
    100,415,998.80x = 4,162,138,536,872,450
  5. Step 5: Solve for x
    x = 4,162,138,536,872,450/100,415,998.80
  6. Step 6: Final answer
    x = 41,448,958.20

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Similar ratio
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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.