Finding the Fourth Proportional to 189,129,381.36, 284,097,309.92 and 178,071,755.08
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Solution
The fourth proportional to 189,129,381.36, 284,097,309.92 and 178,071,755.08 is: 267,487,294.82
Step by Step Solution
- Step 1: Write the proportion equation
189,129,381.36 : 284,097,309.92 = 178,071,755.08 : x - Step 2: Convert to fraction form
189,129,381.36/284,097,309.92 = 178,071,755.08/x - Step 3: Cross multiply
189,129,381.36x = 284,097,309.92 × 178,071,755.08 - Step 4: Simplify right side
189,129,381.36x = 50,589,706,590,961,104 - Step 5: Solve for x
x = 50,589,706,590,961,104/189,129,381.36 - Step 6: Final answer
x = 267,487,294.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.