Finding the Fourth Proportional to 74,366,725.22, 102,517,918.97 and 51,970,176.11
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Solution
The fourth proportional to 74,366,725.22, 102,517,918.97 and 51,970,176.11 is: 71,643,255.61
Step by Step Solution
- Step 1: Write the proportion equation
74,366,725.22 : 102,517,918.97 = 51,970,176.11 : x - Step 2: Convert to fraction form
74,366,725.22/102,517,918.97 = 51,970,176.11/x - Step 3: Cross multiply
74,366,725.22x = 102,517,918.97 × 51,970,176.11 - Step 4: Simplify right side
74,366,725.22x = 5,327,874,303,590,126 - Step 5: Solve for x
x = 5,327,874,303,590,126/74,366,725.22 - Step 6: Final answer
x = 71,643,255.61
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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.