Finding the Fourth Proportional to 118,675,809.65, 178,045,207.28 and 41,990,841.65
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Solution
The fourth proportional to 118,675,809.65, 178,045,207.28 and 41,990,841.65 is: 62,997,405.52
Step by Step Solution
- Step 1: Write the proportion equation
118,675,809.65 : 178,045,207.28 = 41,990,841.65 : x - Step 2: Convert to fraction form
118,675,809.65/178,045,207.28 = 41,990,841.65/x - Step 3: Cross multiply
118,675,809.65x = 178,045,207.28 × 41,990,841.65 - Step 4: Simplify right side
118,675,809.65x = 7,476,268,105,435,907 - Step 5: Solve for x
x = 7,476,268,105,435,907/118,675,809.65 - Step 6: Final answer
x = 62,997,405.52
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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.