Finding the Fourth Proportional to 120,463,440.28, 166,237,872.48 and 66,816,463.92
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Solution
The fourth proportional to 120,463,440.28, 166,237,872.48 and 66,816,463.92 is: 92,205,791.09
Step by Step Solution
- Step 1: Write the proportion equation
120,463,440.28 : 166,237,872.48 = 66,816,463.92 : x - Step 2: Convert to fraction form
120,463,440.28/166,237,872.48 = 66,816,463.92/x - Step 3: Cross multiply
120,463,440.28x = 166,237,872.48 × 66,816,463.92 - Step 4: Simplify right side
120,463,440.28x = 11,107,426,808,697,480 - Step 5: Solve for x
x = 11,107,426,808,697,480/120,463,440.28 - Step 6: Final answer
x = 92,205,791.09
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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.