Home / 276,351,366.30-414,670,513.02-112,709,178.78

Finding the Fourth Proportional to 276,351,366.30, 414,670,513.02 and 112,709,178.78

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Solution

The fourth proportional to 276,351,366.30, 414,670,513.02 and 112,709,178.78 is: 169,122,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,351,366.30 : 414,670,513.02 = 112,709,178.78 : x
  2. Step 2: Convert to fraction form
    276,351,366.30/414,670,513.02 = 112,709,178.78/x
  3. Step 3: Cross multiply
    276,351,366.30x = 414,670,513.02 × 112,709,178.78
  4. Step 4: Simplify right side
    276,351,366.30x = 46,737,172,986,765,496
  5. Step 5: Solve for x
    x = 46,737,172,986,765,496/276,351,366.30
  6. Step 6: Final answer
    x = 169,122,279.41

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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.