Home / 252,123,864.90-378,075,961.32-133,922,759.46

Finding the Fourth Proportional to 252,123,864.90, 378,075,961.32 and 133,922,759.46

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Solution

The fourth proportional to 252,123,864.90, 378,075,961.32 and 133,922,759.46 is: 200,825,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,864.90 : 378,075,961.32 = 133,922,759.46 : x
  2. Step 2: Convert to fraction form
    252,123,864.90/378,075,961.32 = 133,922,759.46/x
  3. Step 3: Cross multiply
    252,123,864.90x = 378,075,961.32 × 133,922,759.46
  4. Step 4: Simplify right side
    252,123,864.90x = 50,632,976,025,466,624
  5. Step 5: Solve for x
    x = 50,632,976,025,466,624/252,123,864.90
  6. Step 6: Final answer
    x = 200,825,796.66

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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.