Finding the Fourth Proportional to 196,992,067.70, 295,488,101.55 and 131,235,101.30
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Solution
The fourth proportional to 196,992,067.70, 295,488,101.55 and 131,235,101.30 is: 196,852,651.95
Step by Step Solution
- Step 1: Write the proportion equation
196,992,067.70 : 295,488,101.55 = 131,235,101.30 : x - Step 2: Convert to fraction form
196,992,067.70/295,488,101.55 = 131,235,101.30/x - Step 3: Cross multiply
196,992,067.70x = 295,488,101.55 × 131,235,101.30 - Step 4: Simplify right side
196,992,067.70x = 38,778,410,939,858,936 - Step 5: Solve for x
x = 38,778,410,939,858,936/196,992,067.70 - Step 6: Final answer
x = 196,852,651.95
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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.