Finding the Fourth Proportional to 66,434,624.70, 99,651,937.05 and 49,428,512.70
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Solution
The fourth proportional to 66,434,624.70, 99,651,937.05 and 49,428,512.70 is: 74,142,769.05
Step by Step Solution
- Step 1: Write the proportion equation
66,434,624.70 : 99,651,937.05 = 49,428,512.70 : x - Step 2: Convert to fraction form
66,434,624.70/99,651,937.05 = 49,428,512.70/x - Step 3: Cross multiply
66,434,624.70x = 99,651,937.05 × 49,428,512.70 - Step 4: Simplify right side
66,434,624.70x = 4,925,647,036,055,526 - Step 5: Solve for x
x = 4,925,647,036,055,526/66,434,624.70 - Step 6: Final answer
x = 74,142,769.05
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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.