Home / 143,489,373,184.67-198,021,350,743.60-82,521,788,001.70

Finding the Fourth Proportional to 143,489,373,184.67, 198,021,350,743.60 and 82,521,788,001.70

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Solution

The fourth proportional to 143,489,373,184.67, 198,021,350,743.60 and 82,521,788,001.70 is: 113,883,527,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,489,373,184.67 : 198,021,350,743.60 = 82,521,788,001.70 : x
  2. Step 2: Convert to fraction form
    143,489,373,184.67/198,021,350,743.60 = 82,521,788,001.70/x
  3. Step 3: Cross multiply
    143,489,373,184.67x = 198,021,350,743.60 × 82,521,788,001.70
  4. Step 4: Simplify right side
    143,489,373,184.67x = 16,341,075,925,873,637,457,920
  5. Step 5: Solve for x
    x = 16,341,075,925,873,637,457,920/143,489,373,184.67
  6. Step 6: Final answer
    x = 113,883,527,143.45

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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.