Finding the Fourth Proportional to 189,042,247.80, 283,563,371.70 and 73,988,551.80
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Solution
The fourth proportional to 189,042,247.80, 283,563,371.70 and 73,988,551.80 is: 110,982,827.70
Step by Step Solution
- Step 1: Write the proportion equation
189,042,247.80 : 283,563,371.70 = 73,988,551.80 : x - Step 2: Convert to fraction form
189,042,247.80/283,563,371.70 = 73,988,551.80/x - Step 3: Cross multiply
189,042,247.80x = 283,563,371.70 × 73,988,551.80 - Step 4: Simplify right side
189,042,247.80x = 20,980,443,215,608,104 - Step 5: Solve for x
x = 20,980,443,215,608,104/189,042,247.80 - Step 6: Final answer
x = 110,982,827.70
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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.