Finding the Fourth Proportional to 181,738,102.30, 272,681,803.05 and 66,777,718.30
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Solution
The fourth proportional to 181,738,102.30, 272,681,803.05 and 66,777,718.30 is: 100,194,006.65
Step by Step Solution
- Step 1: Write the proportion equation
181,738,102.30 : 272,681,803.05 = 66,777,718.30 : x - Step 2: Convert to fraction form
181,738,102.30/272,681,803.05 = 66,777,718.30/x - Step 3: Cross multiply
181,738,102.30x = 272,681,803.05 × 66,777,718.30 - Step 4: Simplify right side
181,738,102.30x = 18,209,068,629,608,980 - Step 5: Solve for x
x = 18,209,068,629,608,980/181,738,102.30 - Step 6: Final answer
x = 100,194,006.65
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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.