Finding the Fourth Proportional to 136,544,407,889.67, 188,418,393,291.60 and 81,600,642,344.79
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Solution
The fourth proportional to 136,544,407,889.67, 188,418,393,291.60 and 81,600,642,344.79 is: 112,601,183,452.28
Step by Step Solution
- Step 1: Write the proportion equation
136,544,407,889.67 : 188,418,393,291.60 = 81,600,642,344.79 : x - Step 2: Convert to fraction form
136,544,407,889.67/188,418,393,291.60 = 81,600,642,344.79/x - Step 3: Cross multiply
136,544,407,889.67x = 188,418,393,291.60 × 81,600,642,344.79 - Step 4: Simplify right side
136,544,407,889.67x = 15,375,061,922,168,210,194,432 - Step 5: Solve for x
x = 15,375,061,922,168,210,194,432/136,544,407,889.67 - Step 6: Final answer
x = 112,601,183,452.28
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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.