Finding the Fourth Proportional to 68,675,976.23, 94,772,825.25 and 37,738,138.41
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Solution
The fourth proportional to 68,675,976.23, 94,772,825.25 and 37,738,138.41 is: 52,078,618.95
Step by Step Solution
- Step 1: Write the proportion equation
68,675,976.23 : 94,772,825.25 = 37,738,138.41 : x - Step 2: Convert to fraction form
68,675,976.23/94,772,825.25 = 37,738,138.41/x - Step 3: Cross multiply
68,675,976.23x = 94,772,825.25 × 37,738,138.41 - Step 4: Simplify right side
68,675,976.23x = 3,576,549,996,649,724.50 - Step 5: Solve for x
x = 3,576,549,996,649,724.50/68,675,976.23 - Step 6: Final answer
x = 52,078,618.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.