Finding the Fourth Proportional to 131,259,654,464.66, 181,135,961,977.44 and 74,165,739,138.08
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Solution
The fourth proportional to 131,259,654,464.66, 181,135,961,977.44 and 74,165,739,138.08 is: 102,347,385,869.14
Step by Step Solution
- Step 1: Write the proportion equation
131,259,654,464.66 : 181,135,961,977.44 = 74,165,739,138.08 : x - Step 2: Convert to fraction form
131,259,654,464.66/181,135,961,977.44 = 74,165,739,138.08/x - Step 3: Cross multiply
131,259,654,464.66x = 181,135,961,977.44 × 74,165,739,138.08 - Step 4: Simplify right side
131,259,654,464.66x = 13,434,082,504,543,993,593,856 - Step 5: Solve for x
x = 13,434,082,504,543,993,593,856/131,259,654,464.66 - Step 6: Final answer
x = 102,347,385,869.14
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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.