Finding the Fourth Proportional to 213,815,770.49, 295,065,765.68 and 116,030,626.49
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Solution
The fourth proportional to 213,815,770.49, 295,065,765.68 and 116,030,626.49 is: 160,122,265.85
Step by Step Solution
- Step 1: Write the proportion equation
213,815,770.49 : 295,065,765.68 = 116,030,626.49 : x - Step 2: Convert to fraction form
213,815,770.49/295,065,765.68 = 116,030,626.49/x - Step 3: Cross multiply
213,815,770.49x = 295,065,765.68 × 116,030,626.49 - Step 4: Simplify right side
213,815,770.49x = 34,236,665,645,546,460 - Step 5: Solve for x
x = 34,236,665,645,546,460/213,815,770.49 - Step 6: Final answer
x = 160,122,265.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.