Finding the Fourth Proportional to 189,574,536.24, 284,361,804.09 and 131,098,256.46
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Solution
The fourth proportional to 189,574,536.24, 284,361,804.09 and 131,098,256.46 is: 196,647,384.50
Step by Step Solution
- Step 1: Write the proportion equation
189,574,536.24 : 284,361,804.09 = 131,098,256.46 : x - Step 2: Convert to fraction form
189,574,536.24/284,361,804.09 = 131,098,256.46/x - Step 3: Cross multiply
189,574,536.24x = 284,361,804.09 × 131,098,256.46 - Step 4: Simplify right side
189,574,536.24x = 37,279,336,720,019,088 - Step 5: Solve for x
x = 37,279,336,720,019,088/189,574,536.24 - Step 6: Final answer
x = 196,647,384.50
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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.