Home / 299,383,472.70-449,075,209.05-105,293,346.30

Finding the Fourth Proportional to 299,383,472.70, 449,075,209.05 and 105,293,346.30

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Solution

The fourth proportional to 299,383,472.70, 449,075,209.05 and 105,293,346.30 is: 157,940,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,472.70 : 449,075,209.05 = 105,293,346.30 : x
  2. Step 2: Convert to fraction form
    299,383,472.70/449,075,209.05 = 105,293,346.30/x
  3. Step 3: Cross multiply
    299,383,472.70x = 449,075,209.05 × 105,293,346.30
  4. Step 4: Simplify right side
    299,383,472.70x = 47,284,631,501,246,544
  5. Step 5: Solve for x
    x = 47,284,631,501,246,544/299,383,472.70
  6. Step 6: Final answer
    x = 157,940,019.45

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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.