Home / 299,473,846.20-449,210,769.30-105,383,719.80

Finding the Fourth Proportional to 299,473,846.20, 449,210,769.30 and 105,383,719.80

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Solution

The fourth proportional to 299,473,846.20, 449,210,769.30 and 105,383,719.80 is: 158,075,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,473,846.20 : 449,210,769.30 = 105,383,719.80 : x
  2. Step 2: Convert to fraction form
    299,473,846.20/449,210,769.30 = 105,383,719.80/x
  3. Step 3: Cross multiply
    299,473,846.20x = 449,210,769.30 × 105,383,719.80
  4. Step 4: Simplify right side
    299,473,846.20x = 47,339,501,843,053,640
  5. Step 5: Solve for x
    x = 47,339,501,843,053,640/299,473,846.20
  6. Step 6: Final answer
    x = 158,075,579.70

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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.