Home / 252,123,859.89-378,075,953.82-133,922,754.45

Finding the Fourth Proportional to 252,123,859.89, 378,075,953.82 and 133,922,754.45

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Solution

The fourth proportional to 252,123,859.89, 378,075,953.82 and 133,922,754.45 is: 200,825,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,859.89 : 378,075,953.82 = 133,922,754.45 : x
  2. Step 2: Convert to fraction form
    252,123,859.89/378,075,953.82 = 133,922,754.45/x
  3. Step 3: Cross multiply
    252,123,859.89x = 378,075,953.82 × 133,922,754.45
  4. Step 4: Simplify right side
    252,123,859.89x = 50,632,973,126,885,400
  5. Step 5: Solve for x
    x = 50,632,973,126,885,400/252,123,859.89
  6. Step 6: Final answer
    x = 200,825,789.15

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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.