Finding the Fourth Proportional to 53,261,618.47, 79,821,799.57 and 27,352,873.29
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Solution
The fourth proportional to 53,261,618.47, 79,821,799.57 and 27,352,873.29 is: 40,993,038.37
Step by Step Solution
- Step 1: Write the proportion equation
53,261,618.47 : 79,821,799.57 = 27,352,873.29 : x - Step 2: Convert to fraction form
53,261,618.47/79,821,799.57 = 27,352,873.29/x - Step 3: Cross multiply
53,261,618.47x = 79,821,799.57 × 27,352,873.29 - Step 4: Simplify right side
53,261,618.47x = 2,183,355,569,417,986.25 - Step 5: Solve for x
x = 2,183,355,569,417,986.25/53,261,618.47 - Step 6: Final answer
x = 40,993,038.37
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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.