Finding the Fourth Proportional to 53,938,420.16, 74,455,260.96 and 35,354,757.44
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Solution
The fourth proportional to 53,938,420.16, 74,455,260.96 and 35,354,757.44 is: 48,802,832.63
Step by Step Solution
- Step 1: Write the proportion equation
53,938,420.16 : 74,455,260.96 = 35,354,757.44 : x - Step 2: Convert to fraction form
53,938,420.16/74,455,260.96 = 35,354,757.44/x - Step 3: Cross multiply
53,938,420.16x = 74,455,260.96 × 35,354,757.44 - Step 4: Simplify right side
53,938,420.16x = 2,632,347,691,372,701 - Step 5: Solve for x
x = 2,632,347,691,372,701/53,938,420.16 - Step 6: Final answer
x = 48,802,832.63
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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.