Finding the Fourth Proportional to 207,601,953, 311,403,232.50 and 84,780,271.92
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Solution
The fourth proportional to 207,601,953, 311,403,232.50 and 84,780,271.92 is: 127,170,531.62
Step by Step Solution
- Step 1: Write the proportion equation
207,601,953 : 311,403,232.50 = 84,780,271.92 : x - Step 2: Convert to fraction form
207,601,953/311,403,232.50 = 84,780,271.92/x - Step 3: Cross multiply
207,601,953x = 311,403,232.50 × 84,780,271.92 - Step 4: Simplify right side
207,601,953x = 26,400,850,728,116,980 - Step 5: Solve for x
x = 26,400,850,728,116,980/207,601,953 - Step 6: Final answer
x = 127,170,531.62
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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.