Home / 252,123,857.90-378,075,950.83-133,922,752.46

Finding the Fourth Proportional to 252,123,857.90, 378,075,950.83 and 133,922,752.46

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Solution

The fourth proportional to 252,123,857.90, 378,075,950.83 and 133,922,752.46 is: 200,825,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,857.90 : 378,075,950.83 = 133,922,752.46 : x
  2. Step 2: Convert to fraction form
    252,123,857.90/378,075,950.83 = 133,922,752.46/x
  3. Step 3: Cross multiply
    252,123,857.90x = 378,075,950.83 × 133,922,752.46
  4. Step 4: Simplify right side
    252,123,857.90x = 50,632,971,974,085,216
  5. Step 5: Solve for x
    x = 50,632,971,974,085,216/252,123,857.90
  6. Step 6: Final answer
    x = 200,825,786.17

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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.