Home / 80,650,066,939.20-120,975,100,408.80-21,762,058,132.80

Finding the Fourth Proportional to 80,650,066,939.20, 120,975,100,408.80 and 21,762,058,132.80

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Solution

The fourth proportional to 80,650,066,939.20, 120,975,100,408.80 and 21,762,058,132.80 is: 32,643,087,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650,066,939.20 : 120,975,100,408.80 = 21,762,058,132.80 : x
  2. Step 2: Convert to fraction form
    80,650,066,939.20/120,975,100,408.80 = 21,762,058,132.80/x
  3. Step 3: Cross multiply
    80,650,066,939.20x = 120,975,100,408.80 × 21,762,058,132.80
  4. Step 4: Simplify right side
    80,650,066,939.20x = 2,632,667,167,717,622,546,432
  5. Step 5: Solve for x
    x = 2,632,667,167,717,622,546,432/80,650,066,939.20
  6. Step 6: Final answer
    x = 32,643,087,199.20

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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.