Home / 143,968,950.36-198,672,238.62-82,109,217.96

Finding the Fourth Proportional to 143,968,950.36, 198,672,238.62 and 82,109,217.96

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Solution

The fourth proportional to 143,968,950.36, 198,672,238.62 and 82,109,217.96 is: 113,307,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,968,950.36 : 198,672,238.62 = 82,109,217.96 : x
  2. Step 2: Convert to fraction form
    143,968,950.36/198,672,238.62 = 82,109,217.96/x
  3. Step 3: Cross multiply
    143,968,950.36x = 198,672,238.62 × 82,109,217.96
  4. Step 4: Simplify right side
    143,968,950.36x = 16,312,822,143,450,708
  5. Step 5: Solve for x
    x = 16,312,822,143,450,708/143,968,950.36
  6. Step 6: Final answer
    x = 113,307,918.84

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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.