Home / 218,962,912.47-302,136,315.26-132,988,713

Finding the Fourth Proportional to 218,962,912.47, 302,136,315.26 and 132,988,713

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Solution

The fourth proportional to 218,962,912.47, 302,136,315.26 and 132,988,713 is: 183,504,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,962,912.47 : 302,136,315.26 = 132,988,713 : x
  2. Step 2: Convert to fraction form
    218,962,912.47/302,136,315.26 = 132,988,713/x
  3. Step 3: Cross multiply
    218,962,912.47x = 302,136,315.26 × 132,988,713
  4. Step 4: Simplify right side
    218,962,912.47x = 40,180,719,716,324,720
  5. Step 5: Solve for x
    x = 40,180,719,716,324,720/218,962,912.47
  6. Step 6: Final answer
    x = 183,504,682.43

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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.