Finding the Fourth Proportional to 268,057,733.60, 369,935,470.68 and 201,861,442.64
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Solution
The fourth proportional to 268,057,733.60, 369,935,470.68 and 201,861,442.64 is: 278,580,687.80
Step by Step Solution
- Step 1: Write the proportion equation
268,057,733.60 : 369,935,470.68 = 201,861,442.64 : x - Step 2: Convert to fraction form
268,057,733.60/369,935,470.68 = 201,861,442.64/x - Step 3: Cross multiply
268,057,733.60x = 369,935,470.68 × 201,861,442.64 - Step 4: Simplify right side
268,057,733.60x = 74,675,707,795,172,224 - Step 5: Solve for x
x = 74,675,707,795,172,224/268,057,733.60 - Step 6: Final answer
x = 278,580,687.80
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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.