Home / 299,235,816.40-448,741,750.20-105,072,206.80

Finding the Fourth Proportional to 299,235,816.40, 448,741,750.20 and 105,072,206.80

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Solution

The fourth proportional to 299,235,816.40, 448,741,750.20 and 105,072,206.80 is: 157,568,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,235,816.40 : 448,741,750.20 = 105,072,206.80 : x
  2. Step 2: Convert to fraction form
    299,235,816.40/448,741,750.20 = 105,072,206.80/x
  3. Step 3: Cross multiply
    299,235,816.40x = 448,741,750.20 × 105,072,206.80
  4. Step 4: Simplify right side
    299,235,816.40x = 47,150,285,976,808,336
  5. Step 5: Solve for x
    x = 47,150,285,976,808,336/299,235,816.40
  6. Step 6: Final answer
    x = 157,568,992.05

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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.