Finding the Fourth Proportional to 197,120,845.74, 295,472,757.73 and 74,245,998.82
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Solution
The fourth proportional to 197,120,845.74, 295,472,757.73 and 74,245,998.82 is: 111,290,462.15
Step by Step Solution
- Step 1: Write the proportion equation
197,120,845.74 : 295,472,757.73 = 74,245,998.82 : x - Step 2: Convert to fraction form
197,120,845.74/295,472,757.73 = 74,245,998.82/x - Step 3: Cross multiply
197,120,845.74x = 295,472,757.73 × 74,245,998.82 - Step 4: Simplify right side
197,120,845.74x = 21,937,670,021,763,724 - Step 5: Solve for x
x = 21,937,670,021,763,724/197,120,845.74 - Step 6: Final answer
x = 111,290,462.15
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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.