Home / 143,489,373,183.67-198,021,350,742.22-82,521,788,000.70

Finding the Fourth Proportional to 143,489,373,183.67, 198,021,350,742.22 and 82,521,788,000.70

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Solution

The fourth proportional to 143,489,373,183.67, 198,021,350,742.22 and 82,521,788,000.70 is: 113,883,527,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,489,373,183.67 : 198,021,350,742.22 = 82,521,788,000.70 : x
  2. Step 2: Convert to fraction form
    143,489,373,183.67/198,021,350,742.22 = 82,521,788,000.70/x
  3. Step 3: Cross multiply
    143,489,373,183.67x = 198,021,350,742.22 × 82,521,788,000.70
  4. Step 4: Simplify right side
    143,489,373,183.67x = 16,341,075,925,561,736,429,568
  5. Step 5: Solve for x
    x = 16,341,075,925,561,736,429,568/143,489,373,183.67
  6. Step 6: Final answer
    x = 113,883,527,142.07

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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.