Finding the Fourth Proportional to 235,164,470.49, 324,545,122.98 and 141,082,141.05
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Solution
The fourth proportional to 235,164,470.49, 324,545,122.98 and 141,082,141.05 is: 194,704,245.59
Step by Step Solution
- Step 1: Write the proportion equation
235,164,470.49 : 324,545,122.98 = 141,082,141.05 : x - Step 2: Convert to fraction form
235,164,470.49/324,545,122.98 = 141,082,141.05/x - Step 3: Cross multiply
235,164,470.49x = 324,545,122.98 × 141,082,141.05 - Step 4: Simplify right side
235,164,470.49x = 45,787,520,817,353,960 - Step 5: Solve for x
x = 45,787,520,817,353,960/235,164,470.49 - Step 6: Final answer
x = 194,704,245.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.