Finding the Fourth Proportional to 68,338,273.14, 94,306,755.99 and 38,575,185.96
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Solution
The fourth proportional to 68,338,273.14, 94,306,755.99 and 38,575,185.96 is: 53,233,722.22
Step by Step Solution
- Step 1: Write the proportion equation
68,338,273.14 : 94,306,755.99 = 38,575,185.96 : x - Step 2: Convert to fraction form
68,338,273.14/94,306,755.99 = 38,575,185.96/x - Step 3: Cross multiply
68,338,273.14x = 94,306,755.99 × 38,575,185.96 - Step 4: Simplify right side
68,338,273.14x = 3,637,900,649,598,594 - Step 5: Solve for x
x = 3,637,900,649,598,594/68,338,273.14 - Step 6: Final answer
x = 53,233,722.22
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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.