Finding the Fourth Proportional to 212,216,958.62, 292,856,403.16 and 119,397,245.02
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Solution
The fourth proportional to 212,216,958.62, 292,856,403.16 and 119,397,245.02 is: 164,766,510.42
Step by Step Solution
- Step 1: Write the proportion equation
212,216,958.62 : 292,856,403.16 = 119,397,245.02 : x - Step 2: Convert to fraction form
212,216,958.62/292,856,403.16 = 119,397,245.02/x - Step 3: Cross multiply
212,216,958.62x = 292,856,403.16 × 119,397,245.02 - Step 4: Simplify right side
212,216,958.62x = 34,966,247,723,770,424 - Step 5: Solve for x
x = 34,966,247,723,770,424/212,216,958.62 - Step 6: Final answer
x = 164,766,510.42
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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.