Finding the Fourth Proportional to 74,761,566.68, 103,176,140.94 and 41,728,260.28
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Solution
The fourth proportional to 74,761,566.68, 103,176,140.94 and 41,728,260.28 is: 57,587,889.81
Step by Step Solution
- Step 1: Write the proportion equation
74,761,566.68 : 103,176,140.94 = 41,728,260.28 : x - Step 2: Convert to fraction form
74,761,566.68/103,176,140.94 = 41,728,260.28/x - Step 3: Cross multiply
74,761,566.68x = 103,176,140.94 × 41,728,260.28 - Step 4: Simplify right side
74,761,566.68x = 4,305,360,863,830,284 - Step 5: Solve for x
x = 4,305,360,863,830,284/74,761,566.68 - Step 6: Final answer
x = 57,587,889.81
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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.