Home / 299,474,017.20-449,211,025.80-105,383,890.80

Finding the Fourth Proportional to 299,474,017.20, 449,211,025.80 and 105,383,890.80

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Solution

The fourth proportional to 299,474,017.20, 449,211,025.80 and 105,383,890.80 is: 158,075,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,474,017.20 : 449,211,025.80 = 105,383,890.80 : x
  2. Step 2: Convert to fraction form
    299,474,017.20/449,211,025.80 = 105,383,890.80/x
  3. Step 3: Cross multiply
    299,474,017.20x = 449,211,025.80 × 105,383,890.80
  4. Step 4: Simplify right side
    299,474,017.20x = 47,339,605,689,063,184
  5. Step 5: Solve for x
    x = 47,339,605,689,063,184/299,474,017.20
  6. Step 6: Final answer
    x = 158,075,836.20

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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.