Finding the Fourth Proportional to 207,722,500.56, 286,560,528.84 and 134,407,331.28
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Solution
The fourth proportional to 207,722,500.56, 286,560,528.84 and 134,407,331.28 is: 185,419,662.42
Step by Step Solution
- Step 1: Write the proportion equation
207,722,500.56 : 286,560,528.84 = 134,407,331.28 : x - Step 2: Convert to fraction form
207,722,500.56/286,560,528.84 = 134,407,331.28/x - Step 3: Cross multiply
207,722,500.56x = 286,560,528.84 × 134,407,331.28 - Step 4: Simplify right side
207,722,500.56x = 38,515,835,931,569,872 - Step 5: Solve for x
x = 38,515,835,931,569,872/207,722,500.56 - Step 6: Final answer
x = 185,419,662.42
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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.