Finding the Fourth Proportional to 236,212,362.40, 354,318,543.60 and 213,537,546.40
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Solution
The fourth proportional to 236,212,362.40, 354,318,543.60 and 213,537,546.40 is: 320,306,319.60
Step by Step Solution
- Step 1: Write the proportion equation
236,212,362.40 : 354,318,543.60 = 213,537,546.40 : x - Step 2: Convert to fraction form
236,212,362.40/354,318,543.60 = 213,537,546.40/x - Step 3: Cross multiply
236,212,362.40x = 354,318,543.60 × 213,537,546.40 - Step 4: Simplify right side
236,212,362.40x = 75,660,312,444,365,424 - Step 5: Solve for x
x = 75,660,312,444,365,424/236,212,362.40 - Step 6: Final answer
x = 320,306,319.60
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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.