Finding the Fourth Proportional to 102,613,583.18, 154,165,927.58 and 65,797,603.97
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Solution
The fourth proportional to 102,613,583.18, 154,165,927.58 and 65,797,603.97 is: 98,853,858.65
Step by Step Solution
- Step 1: Write the proportion equation
102,613,583.18 : 154,165,927.58 = 65,797,603.97 : x - Step 2: Convert to fraction form
102,613,583.18/154,165,927.58 = 65,797,603.97/x - Step 3: Cross multiply
102,613,583.18x = 154,165,927.58 × 65,797,603.97 - Step 4: Simplify right side
102,613,583.18x = 10,143,748,647,476,722 - Step 5: Solve for x
x = 10,143,748,647,476,722/102,613,583.18 - Step 6: Final answer
x = 98,853,858.65
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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.