Finding the Fourth Proportional to 68,338,273.94, 94,306,757.12 and 38,575,186.78
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Solution
The fourth proportional to 68,338,273.94, 94,306,757.12 and 38,575,186.78 is: 53,233,723.37
Step by Step Solution
- Step 1: Write the proportion equation
68,338,273.94 : 94,306,757.12 = 38,575,186.78 : x - Step 2: Convert to fraction form
68,338,273.94/94,306,757.12 = 38,575,186.78/x - Step 3: Cross multiply
68,338,273.94x = 94,306,757.12 × 38,575,186.78 - Step 4: Simplify right side
68,338,273.94x = 3,637,900,770,520,095 - Step 5: Solve for x
x = 3,637,900,770,520,095/68,338,273.94 - Step 6: Final answer
x = 53,233,723.37
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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.