Finding the Fourth Proportional to 136,276,067.70, 204,414,101.55 and 45,399,656.70
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Solution
The fourth proportional to 136,276,067.70, 204,414,101.55 and 45,399,656.70 is: 68,099,485.05
Step by Step Solution
- Step 1: Write the proportion equation
136,276,067.70 : 204,414,101.55 = 45,399,656.70 : x - Step 2: Convert to fraction form
136,276,067.70/204,414,101.55 = 45,399,656.70/x - Step 3: Cross multiply
136,276,067.70x = 204,414,101.55 × 45,399,656.70 - Step 4: Simplify right side
136,276,067.70x = 9,280,330,035,008,940 - Step 5: Solve for x
x = 9,280,330,035,008,940/136,276,067.70 - Step 6: Final answer
x = 68,099,485.05
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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.