Finding the Fourth Proportional to 193,544,356.20, 290,316,534.30 and 173,836,861.80
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Solution
The fourth proportional to 193,544,356.20, 290,316,534.30 and 173,836,861.80 is: 260,755,292.70
Step by Step Solution
- Step 1: Write the proportion equation
193,544,356.20 : 290,316,534.30 = 173,836,861.80 : x - Step 2: Convert to fraction form
193,544,356.20/290,316,534.30 = 173,836,861.80/x - Step 3: Cross multiply
193,544,356.20x = 290,316,534.30 × 173,836,861.80 - Step 4: Simplify right side
193,544,356.20x = 50,467,715,251,364,064 - Step 5: Solve for x
x = 50,467,715,251,364,064/193,544,356.20 - Step 6: Final answer
x = 260,755,292.70
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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.