Finding the Fourth Proportional to 98,431,506.01, 147,627,217.09 and 36,161,418.18
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Solution
The fourth proportional to 98,431,506.01, 147,627,217.09 and 36,161,418.18 is: 54,234,764.34
Step by Step Solution
- Step 1: Write the proportion equation
98,431,506.01 : 147,627,217.09 = 36,161,418.18 : x - Step 2: Convert to fraction form
98,431,506.01/147,627,217.09 = 36,161,418.18/x - Step 3: Cross multiply
98,431,506.01x = 147,627,217.09 × 36,161,418.18 - Step 4: Simplify right side
98,431,506.01x = 5,338,409,531,941,133 - Step 5: Solve for x
x = 5,338,409,531,941,133/98,431,506.01 - Step 6: Final answer
x = 54,234,764.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.