Finding the Fourth Proportional to 212,487,082.22, 293,224,431.30 and 118,396,367.66
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Solution
The fourth proportional to 212,487,082.22, 293,224,431.30 and 118,396,367.66 is: 163,382,673.49
Step by Step Solution
- Step 1: Write the proportion equation
212,487,082.22 : 293,224,431.30 = 118,396,367.66 : x - Step 2: Convert to fraction form
212,487,082.22/293,224,431.30 = 118,396,367.66/x - Step 3: Cross multiply
212,487,082.22x = 293,224,431.30 × 118,396,367.66 - Step 4: Simplify right side
212,487,082.22x = 34,716,707,575,089,212 - Step 5: Solve for x
x = 34,716,707,575,089,212/212,487,082.22 - Step 6: Final answer
x = 163,382,673.49
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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.