Finding the Fourth Proportional to 212,668,240.56, 293,336,486.28 and 130,202,769.12
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Solution
The fourth proportional to 212,668,240.56, 293,336,486.28 and 130,202,769.12 is: 179,590,627.62
Step by Step Solution
- Step 1: Write the proportion equation
212,668,240.56 : 293,336,486.28 = 130,202,769.12 : x - Step 2: Convert to fraction form
212,668,240.56/293,336,486.28 = 130,202,769.12/x - Step 3: Cross multiply
212,668,240.56x = 293,336,486.28 × 130,202,769.12 - Step 4: Simplify right side
212,668,240.56x = 38,193,222,797,586,888 - Step 5: Solve for x
x = 38,193,222,797,586,888/212,668,240.56 - Step 6: Final answer
x = 179,590,627.62
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1.5x scale
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.