Finding the Fourth Proportional to 146,383,343.19, 202,007,817.94 and 79,402,133.65
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Solution
The fourth proportional to 146,383,343.19, 202,007,817.94 and 79,402,133.65 is: 109,574,295.88
Step by Step Solution
- Step 1: Write the proportion equation
146,383,343.19 : 202,007,817.94 = 79,402,133.65 : x - Step 2: Convert to fraction form
146,383,343.19/202,007,817.94 = 79,402,133.65/x - Step 3: Cross multiply
146,383,343.19x = 202,007,817.94 × 79,402,133.65 - Step 4: Simplify right side
146,383,343.19x = 16,039,851,758,416,748 - Step 5: Solve for x
x = 16,039,851,758,416,748/146,383,343.19 - Step 6: Final answer
x = 109,574,295.88
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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.