Home / 252,123,863.40-378,075,959.08-133,922,757.96

Finding the Fourth Proportional to 252,123,863.40, 378,075,959.08 and 133,922,757.96

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Solution

The fourth proportional to 252,123,863.40, 378,075,959.08 and 133,922,757.96 is: 200,825,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,863.40 : 378,075,959.08 = 133,922,757.96 : x
  2. Step 2: Convert to fraction form
    252,123,863.40/378,075,959.08 = 133,922,757.96/x
  3. Step 3: Cross multiply
    252,123,863.40x = 378,075,959.08 × 133,922,757.96
  4. Step 4: Simplify right side
    252,123,863.40x = 50,632,975,158,365,696
  5. Step 5: Solve for x
    x = 50,632,975,158,365,696/252,123,863.40
  6. Step 6: Final answer
    x = 200,825,794.42

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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.