Home / 299,569,553.20-449,354,329.80-146,136,631.60

Finding the Fourth Proportional to 299,569,553.20, 449,354,329.80 and 146,136,631.60

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Solution

The fourth proportional to 299,569,553.20, 449,354,329.80 and 146,136,631.60 is: 219,204,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,569,553.20 : 449,354,329.80 = 146,136,631.60 : x
  2. Step 2: Convert to fraction form
    299,569,553.20/449,354,329.80 = 146,136,631.60/x
  3. Step 3: Cross multiply
    299,569,553.20x = 449,354,329.80 × 146,136,631.60
  4. Step 4: Simplify right side
    299,569,553.20x = 65,667,128,151,847,504
  5. Step 5: Solve for x
    x = 65,667,128,151,847,504/299,569,553.20
  6. Step 6: Final answer
    x = 219,204,947.40

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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.