Home / 80,212,297,959.55-120,318,446,939.33-43,019,931,015.55

Finding the Fourth Proportional to 80,212,297,959.55, 120,318,446,939.33 and 43,019,931,015.55

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Solution

The fourth proportional to 80,212,297,959.55, 120,318,446,939.33 and 43,019,931,015.55 is: 64,529,896,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212,297,959.55 : 120,318,446,939.33 = 43,019,931,015.55 : x
  2. Step 2: Convert to fraction form
    80,212,297,959.55/120,318,446,939.33 = 43,019,931,015.55/x
  3. Step 3: Cross multiply
    80,212,297,959.55x = 120,318,446,939.33 × 43,019,931,015.55
  4. Step 4: Simplify right side
    80,212,297,959.55x = 5,176,091,287,228,089,630,720
  5. Step 5: Solve for x
    x = 5,176,091,287,228,089,630,720/80,212,297,959.55
  6. Step 6: Final answer
    x = 64,529,896,523.33

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Double scale
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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.