Finding the Fourth Proportional to 181,670,527.62, 272,492,615.12 and 70,985,391.48
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Solution
The fourth proportional to 181,670,527.62, 272,492,615.12 and 70,985,391.48 is: 106,472,938.75
Step by Step Solution
- Step 1: Write the proportion equation
181,670,527.62 : 272,492,615.12 = 70,985,391.48 : x - Step 2: Convert to fraction form
181,670,527.62/272,492,615.12 = 70,985,391.48/x - Step 3: Cross multiply
181,670,527.62x = 272,492,615.12 × 70,985,391.48 - Step 4: Simplify right side
181,670,527.62x = 19,342,994,959,347,244 - Step 5: Solve for x
x = 19,342,994,959,347,244/181,670,527.62 - Step 6: Final answer
x = 106,472,938.75
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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.