Finding the Fourth Proportional to 68,338,274.14, 94,306,757.37 and 38,575,186.96
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Solution
The fourth proportional to 68,338,274.14, 94,306,757.37 and 38,575,186.96 is: 53,233,723.60
Step by Step Solution
- Step 1: Write the proportion equation
68,338,274.14 : 94,306,757.37 = 38,575,186.96 : x - Step 2: Convert to fraction form
68,338,274.14/94,306,757.37 = 38,575,186.96/x - Step 3: Cross multiply
68,338,274.14x = 94,306,757.37 × 38,575,186.96 - Step 4: Simplify right side
68,338,274.14x = 3,637,900,797,139,108 - Step 5: Solve for x
x = 3,637,900,797,139,108/68,338,274.14 - Step 6: Final answer
x = 53,233,723.60
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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.