Finding the Fourth Proportional to 86,170,370.40, 118,935,520.56 and 49,522,186.08
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Solution
The fourth proportional to 86,170,370.40, 118,935,520.56 and 49,522,186.08 is: 68,352,346.09
Step by Step Solution
- Step 1: Write the proportion equation
86,170,370.40 : 118,935,520.56 = 49,522,186.08 : x - Step 2: Convert to fraction form
86,170,370.40/118,935,520.56 = 49,522,186.08/x - Step 3: Cross multiply
86,170,370.40x = 118,935,520.56 × 49,522,186.08 - Step 4: Simplify right side
86,170,370.40x = 5,889,946,980,693,986 - Step 5: Solve for x
x = 5,889,946,980,693,986/86,170,370.40 - Step 6: Final answer
x = 68,352,346.09
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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.