Finding the Fourth Proportional to 135,494,418.43, 186,982,297.16 and 76,757,083.47
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Solution
The fourth proportional to 135,494,418.43, 186,982,297.16 and 76,757,083.47 is: 105,924,775.03
Step by Step Solution
- Step 1: Write the proportion equation
135,494,418.43 : 186,982,297.16 = 76,757,083.47 : x - Step 2: Convert to fraction form
135,494,418.43/186,982,297.16 = 76,757,083.47/x - Step 3: Cross multiply
135,494,418.43x = 186,982,297.16 × 76,757,083.47 - Step 4: Simplify right side
135,494,418.43x = 14,352,215,790,522,464 - Step 5: Solve for x
x = 14,352,215,790,522,464/135,494,418.43 - Step 6: Final answer
x = 105,924,775.03
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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.