Finding the Fourth Proportional to 195,609,962.40, 293,414,943.60 and 127,585,514.40
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Solution
The fourth proportional to 195,609,962.40, 293,414,943.60 and 127,585,514.40 is: 191,378,271.60
Step by Step Solution
- Step 1: Write the proportion equation
195,609,962.40 : 293,414,943.60 = 127,585,514.40 : x - Step 2: Convert to fraction form
195,609,962.40/293,414,943.60 = 127,585,514.40/x - Step 3: Cross multiply
195,609,962.40x = 293,414,943.60 × 127,585,514.40 - Step 4: Simplify right side
195,609,962.40x = 37,435,496,511,852,992 - Step 5: Solve for x
x = 37,435,496,511,852,992/195,609,962.40 - Step 6: Final answer
x = 191,378,271.60
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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.