Finding the Fourth Proportional to 263,352,135.20, 395,028,202.80 and 69,263,175.20
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Solution
The fourth proportional to 263,352,135.20, 395,028,202.80 and 69,263,175.20 is: 103,894,762.80
Step by Step Solution
- Step 1: Write the proportion equation
263,352,135.20 : 395,028,202.80 = 69,263,175.20 : x - Step 2: Convert to fraction form
263,352,135.20/395,028,202.80 = 69,263,175.20/x - Step 3: Cross multiply
263,352,135.20x = 395,028,202.80 × 69,263,175.20 - Step 4: Simplify right side
263,352,135.20x = 27,360,907,619,477,532 - Step 5: Solve for x
x = 27,360,907,619,477,532/263,352,135.20 - Step 6: Final answer
x = 103,894,762.80
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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.