Finding the Fourth Proportional to 225,039,141.76, 337,121,939.99 and 165,844,016.55
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Solution
The fourth proportional to 225,039,141.76, 337,121,939.99 and 165,844,016.55 is: 248,444,142.45
Step by Step Solution
- Step 1: Write the proportion equation
225,039,141.76 : 337,121,939.99 = 165,844,016.55 : x - Step 2: Convert to fraction form
225,039,141.76/337,121,939.99 = 165,844,016.55/x - Step 3: Cross multiply
225,039,141.76x = 337,121,939.99 × 165,844,016.55 - Step 4: Simplify right side
225,039,141.76x = 55,909,656,592,662,720 - Step 5: Solve for x
x = 55,909,656,592,662,720/225,039,141.76 - Step 6: Final answer
x = 248,444,142.45
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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.