Finding the Fourth Proportional to 181,686,804,958.20, 272,530,207,437.30 and 122,179,017,847.80
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Solution
The fourth proportional to 181,686,804,958.20, 272,530,207,437.30 and 122,179,017,847.80 is: 183,268,526,771.70
Step by Step Solution
- Step 1: Write the proportion equation
181,686,804,958.20 : 272,530,207,437.30 = 122,179,017,847.80 : x - Step 2: Convert to fraction form
181,686,804,958.20/272,530,207,437.30 = 122,179,017,847.80/x - Step 3: Cross multiply
181,686,804,958.20x = 272,530,207,437.30 × 122,179,017,847.80 - Step 4: Simplify right side
181,686,804,958.20x = 33,297,473,078,546,510,381,056 - Step 5: Solve for x
x = 33,297,473,078,546,510,381,056/181,686,804,958.20 - Step 6: Final answer
x = 183,268,526,771.70
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1.5x scale
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.