Home / 143,489,373,179.74-198,021,350,736.81-82,521,787,996.76

Finding the Fourth Proportional to 143,489,373,179.74, 198,021,350,736.81 and 82,521,787,996.76

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Solution

The fourth proportional to 143,489,373,179.74, 198,021,350,736.81 and 82,521,787,996.76 is: 113,883,527,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,489,373,179.74 : 198,021,350,736.81 = 82,521,787,996.76 : x
  2. Step 2: Convert to fraction form
    143,489,373,179.74/198,021,350,736.81 = 82,521,787,996.76/x
  3. Step 3: Cross multiply
    143,489,373,179.74x = 198,021,350,736.81 × 82,521,787,996.76
  4. Step 4: Simplify right side
    143,489,373,179.74x = 16,341,075,924,335,682,650,112
  5. Step 5: Solve for x
    x = 16,341,075,924,335,682,650,112/143,489,373,179.74
  6. Step 6: Final answer
    x = 113,883,527,136.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.