Finding the Fourth Proportional to 136,001,640.66, 187,677,462.69 and 74,120,751.06
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Solution
The fourth proportional to 136,001,640.66, 187,677,462.69 and 74,120,751.06 is: 102,284,019.69
Step by Step Solution
- Step 1: Write the proportion equation
136,001,640.66 : 187,677,462.69 = 74,120,751.06 : x - Step 2: Convert to fraction form
136,001,640.66/187,677,462.69 = 74,120,751.06/x - Step 3: Cross multiply
136,001,640.66x = 187,677,462.69 × 74,120,751.06 - Step 4: Simplify right side
136,001,640.66x = 13,910,794,491,617,928 - Step 5: Solve for x
x = 13,910,794,491,617,928/136,001,640.66 - Step 6: Final answer
x = 102,284,019.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.