Home / 252,123,856.39-378,075,948.58-133,922,750.95

Finding the Fourth Proportional to 252,123,856.39, 378,075,948.58 and 133,922,750.95

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Solution

The fourth proportional to 252,123,856.39, 378,075,948.58 and 133,922,750.95 is: 200,825,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123,856.39 : 378,075,948.58 = 133,922,750.95 : x
  2. Step 2: Convert to fraction form
    252,123,856.39/378,075,948.58 = 133,922,750.95/x
  3. Step 3: Cross multiply
    252,123,856.39x = 378,075,948.58 × 133,922,750.95
  4. Step 4: Simplify right side
    252,123,856.39x = 50,632,971,101,864,344
  5. Step 5: Solve for x
    x = 50,632,971,101,864,344/252,123,856.39
  6. Step 6: Final answer
    x = 200,825,783.91

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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.