Home / 252,123,860.40-378,075,954.56-133,922,754.96

Finding the Fourth Proportional to 252,123,860.40, 378,075,954.56 and 133,922,754.96

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Solution

The fourth proportional to 252,123,860.40, 378,075,954.56 and 133,922,754.96 is: 200,825,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,860.40 : 378,075,954.56 = 133,922,754.96 : x
  2. Step 2: Convert to fraction form
    252,123,860.40/378,075,954.56 = 133,922,754.96/x
  3. Step 3: Cross multiply
    252,123,860.40x = 378,075,954.56 × 133,922,754.96
  4. Step 4: Simplify right side
    252,123,860.40x = 50,632,973,418,806,976
  5. Step 5: Solve for x
    x = 50,632,973,418,806,976/252,123,860.40
  6. Step 6: Final answer
    x = 200,825,789.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.