Finding the Fourth Proportional to 117,415,084.10, 176,122,626.15 and 31,153,324.10
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Solution
The fourth proportional to 117,415,084.10, 176,122,626.15 and 31,153,324.10 is: 46,729,986.15
Step by Step Solution
- Step 1: Write the proportion equation
117,415,084.10 : 176,122,626.15 = 31,153,324.10 : x - Step 2: Convert to fraction form
117,415,084.10/176,122,626.15 = 31,153,324.10/x - Step 3: Cross multiply
117,415,084.10x = 176,122,626.15 × 31,153,324.10 - Step 4: Simplify right side
117,415,084.10x = 5,486,805,253,794,086 - Step 5: Solve for x
x = 5,486,805,253,794,086/117,415,084.10 - Step 6: Final answer
x = 46,729,986.15
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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.