Home / 210,721,396.88-290,786,363.43-116,629,933.92

Finding the Fourth Proportional to 210,721,396.88, 290,786,363.43 and 116,629,933.92

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Solution

The fourth proportional to 210,721,396.88, 290,786,363.43 and 116,629,933.92 is: 160,944,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,721,396.88 : 290,786,363.43 = 116,629,933.92 : x
  2. Step 2: Convert to fraction form
    210,721,396.88/290,786,363.43 = 116,629,933.92/x
  3. Step 3: Cross multiply
    210,721,396.88x = 290,786,363.43 × 116,629,933.92
  4. Step 4: Simplify right side
    210,721,396.88x = 33,914,394,351,678,004
  5. Step 5: Solve for x
    x = 33,914,394,351,678,004/210,721,396.88
  6. Step 6: Final answer
    x = 160,944,236.58

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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.