Finding the Fourth Proportional to 53,876,486.40, 74,351,145.60 and 29,430,600.96
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Solution
The fourth proportional to 53,876,486.40, 74,351,145.60 and 29,430,600.96 is: 40,615,100.27
Step by Step Solution
- Step 1: Write the proportion equation
53,876,486.40 : 74,351,145.60 = 29,430,600.96 : x - Step 2: Convert to fraction form
53,876,486.40/74,351,145.60 = 29,430,600.96/x - Step 3: Cross multiply
53,876,486.40x = 74,351,145.60 × 29,430,600.96 - Step 4: Simplify right side
53,876,486.40x = 2,188,198,897,072,459.75 - Step 5: Solve for x
x = 2,188,198,897,072,459.75/53,876,486.40 - Step 6: Final answer
x = 40,615,100.27
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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.