Finding the Fourth Proportional to 146,383,342.19, 202,007,816.58 and 79,402,132.64
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Solution
The fourth proportional to 146,383,342.19, 202,007,816.58 and 79,402,132.64 is: 109,574,294.50
Step by Step Solution
- Step 1: Write the proportion equation
146,383,342.19 : 202,007,816.58 = 79,402,132.64 : x - Step 2: Convert to fraction form
146,383,342.19/202,007,816.58 = 79,402,132.64/x - Step 3: Cross multiply
146,383,342.19x = 202,007,816.58 × 79,402,132.64 - Step 4: Simplify right side
146,383,342.19x = 16,039,851,446,401,952 - Step 5: Solve for x
x = 16,039,851,446,401,952/146,383,342.19 - Step 6: Final answer
x = 109,574,294.50
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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.