Finding the Fourth Proportional to 231,351,982.62, 347,015,751.80 and 75,885,311.97
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Solution
The fourth proportional to 231,351,982.62, 347,015,751.80 and 75,885,311.97 is: 113,823,959.00
Step by Step Solution
- Step 1: Write the proportion equation
231,351,982.62 : 347,015,751.80 = 75,885,311.97 : x - Step 2: Convert to fraction form
231,351,982.62/347,015,751.80 = 75,885,311.97/x - Step 3: Cross multiply
231,351,982.62x = 347,015,751.80 × 75,885,311.97 - Step 4: Simplify right side
231,351,982.62x = 26,333,398,583,847,088 - Step 5: Solve for x
x = 26,333,398,583,847,088/231,351,982.62 - Step 6: Final answer
x = 113,823,959.00
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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.