Finding the Fourth Proportional to 98,431,518.18, 147,627,235.26 and 36,161,430.36
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Solution
The fourth proportional to 98,431,518.18, 147,627,235.26 and 36,161,430.36 is: 54,234,782.58
Step by Step Solution
- Step 1: Write the proportion equation
98,431,518.18 : 147,627,235.26 = 36,161,430.36 : x - Step 2: Convert to fraction form
98,431,518.18/147,627,235.26 = 36,161,430.36/x - Step 3: Cross multiply
98,431,518.18x = 147,627,235.26 × 36,161,430.36 - Step 4: Simplify right side
98,431,518.18x = 5,338,411,987,093,826 - Step 5: Solve for x
x = 5,338,411,987,093,826/98,431,518.18 - Step 6: Final answer
x = 54,234,782.58
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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.