Finding the Fourth Proportional to 79,323,141.98, 118,990,178.94 and 33,218,590.44
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Solution
The fourth proportional to 79,323,141.98, 118,990,178.94 and 33,218,590.44 is: 49,830,174.67
Step by Step Solution
- Step 1: Write the proportion equation
79,323,141.98 : 118,990,178.94 = 33,218,590.44 : x - Step 2: Convert to fraction form
79,323,141.98/118,990,178.94 = 33,218,590.44/x - Step 3: Cross multiply
79,323,141.98x = 118,990,178.94 × 33,218,590.44 - Step 4: Simplify right side
79,323,141.98x = 3,952,686,020,590,173.50 - Step 5: Solve for x
x = 3,952,686,020,590,173.50/79,323,141.98 - Step 6: Final answer
x = 49,830,174.67
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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.