Home / 299,022,820.40-448,618,211.40-145,673,879.60

Finding the Fourth Proportional to 299,022,820.40, 448,618,211.40 and 145,673,879.60

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Solution

The fourth proportional to 299,022,820.40, 448,618,211.40 and 145,673,879.60 is: 218,551,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,022,820.40 : 448,618,211.40 = 145,673,879.60 : x
  2. Step 2: Convert to fraction form
    299,022,820.40/448,618,211.40 = 145,673,879.60/x
  3. Step 3: Cross multiply
    299,022,820.40x = 448,618,211.40 × 145,673,879.60
  4. Step 4: Simplify right side
    299,022,820.40x = 65,351,955,313,850,944
  5. Step 5: Solve for x
    x = 65,351,955,313,850,944/299,022,820.40
  6. Step 6: Final answer
    x = 218,551,732.03

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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.