Finding the Fourth Proportional to 124,160,589.62, 186,234,693.56 and 46,431,779.12
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Solution
The fourth proportional to 124,160,589.62, 186,234,693.56 and 46,431,779.12 is: 69,645,353.51
Step by Step Solution
- Step 1: Write the proportion equation
124,160,589.62 : 186,234,693.56 = 46,431,779.12 : x - Step 2: Convert to fraction form
124,160,589.62/186,234,693.56 = 46,431,779.12/x - Step 3: Cross multiply
124,160,589.62x = 186,234,693.56 × 46,431,779.12 - Step 4: Simplify right side
124,160,589.62x = 8,647,208,155,626,647 - Step 5: Solve for x
x = 8,647,208,155,626,647/124,160,589.62 - Step 6: Final answer
x = 69,645,353.51
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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.