Home / 252,123,858.39-378,075,951.57-133,922,752.95

Finding the Fourth Proportional to 252,123,858.39, 378,075,951.57 and 133,922,752.95

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Solution

The fourth proportional to 252,123,858.39, 378,075,951.57 and 133,922,752.95 is: 200,825,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,858.39 : 378,075,951.57 = 133,922,752.95 : x
  2. Step 2: Convert to fraction form
    252,123,858.39/378,075,951.57 = 133,922,752.95/x
  3. Step 3: Cross multiply
    252,123,858.39x = 378,075,951.57 × 133,922,752.95
  4. Step 4: Simplify right side
    252,123,858.39x = 50,632,972,258,445,272
  5. Step 5: Solve for x
    x = 50,632,972,258,445,272/252,123,858.39
  6. Step 6: Final answer
    x = 200,825,786.90

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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.