Finding the Fourth Proportional to 74,188,658.67, 102,392,608.59 and 41,159,549.09
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Solution
The fourth proportional to 74,188,658.67, 102,392,608.59 and 41,159,549.09 is: 56,806,979.32
Step by Step Solution
- Step 1: Write the proportion equation
74,188,658.67 : 102,392,608.59 = 41,159,549.09 : x - Step 2: Convert to fraction form
74,188,658.67/102,392,608.59 = 41,159,549.09/x - Step 3: Cross multiply
74,188,658.67x = 102,392,608.59 × 41,159,549.09 - Step 4: Simplify right side
74,188,658.67x = 4,214,433,599,201,298 - Step 5: Solve for x
x = 4,214,433,599,201,298/74,188,658.67 - Step 6: Final answer
x = 56,806,979.32
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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.