Finding the Fourth Proportional to 53,815,539.48, 74,267,859.26 and 30,302,162.07
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Solution
The fourth proportional to 53,815,539.48, 74,267,859.26 and 30,302,162.07 is: 41,818,343.35
Step by Step Solution
- Step 1: Write the proportion equation
53,815,539.48 : 74,267,859.26 = 30,302,162.07 : x - Step 2: Convert to fraction form
53,815,539.48/74,267,859.26 = 30,302,162.07/x - Step 3: Cross multiply
53,815,539.48x = 74,267,859.26 × 30,302,162.07 - Step 4: Simplify right side
53,815,539.48x = 2,250,476,707,736,959.25 - Step 5: Solve for x
x = 2,250,476,707,736,959.25/53,815,539.48 - Step 6: Final answer
x = 41,818,343.35
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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.