Finding the Fourth Proportional to 68,570,837.96, 94,600,817.73 and 39,186,406.13
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Solution
The fourth proportional to 68,570,837.96, 94,600,817.73 and 39,186,406.13 is: 54,061,845.73
Step by Step Solution
- Step 1: Write the proportion equation
68,570,837.96 : 94,600,817.73 = 39,186,406.13 : x - Step 2: Convert to fraction form
68,570,837.96/94,600,817.73 = 39,186,406.13/x - Step 3: Cross multiply
68,570,837.96x = 94,600,817.73 × 39,186,406.13 - Step 4: Simplify right side
68,570,837.96x = 3,707,066,063,324,881 - Step 5: Solve for x
x = 3,707,066,063,324,881/68,570,837.96 - Step 6: Final answer
x = 54,061,845.73
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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.