Finding the Fourth Proportional to 189,347,290.40, 284,029,039.84 and 74,356,713.92
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Solution
The fourth proportional to 189,347,290.40, 284,029,039.84 and 74,356,713.92 is: 111,538,253.42
Step by Step Solution
- Step 1: Write the proportion equation
189,347,290.40 : 284,029,039.84 = 74,356,713.92 : x - Step 2: Convert to fraction form
189,347,290.40/284,029,039.84 = 74,356,713.92/x - Step 3: Cross multiply
189,347,290.40x = 284,029,039.84 × 74,356,713.92 - Step 4: Simplify right side
189,347,290.40x = 21,119,466,060,355,160 - Step 5: Solve for x
x = 21,119,466,060,355,160/189,347,290.40 - Step 6: Final answer
x = 111,538,253.42
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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.