Finding the Fourth Proportional to 209,557,531, 289,204,677.18 and 121,474,268.92
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Solution
The fourth proportional to 209,557,531, 289,204,677.18 and 121,474,268.92 is: 167,643,351.02
Step by Step Solution
- Step 1: Write the proportion equation
209,557,531 : 289,204,677.18 = 121,474,268.92 : x - Step 2: Convert to fraction form
209,557,531/289,204,677.18 = 121,474,268.92/x - Step 3: Cross multiply
209,557,531x = 289,204,677.18 × 121,474,268.92 - Step 4: Simplify right side
209,557,531x = 35,130,926,728,685,108 - Step 5: Solve for x
x = 35,130,926,728,685,108/209,557,531 - Step 6: Final answer
x = 167,643,351.02
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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.