Finding the Fourth Proportional to 99,576,917.20, 149,589,324.60 and 95,769,787.60
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Solution
The fourth proportional to 99,576,917.20, 149,589,324.60 and 95,769,787.60 is: 143,870,067.95
Step by Step Solution
- Step 1: Write the proportion equation
99,576,917.20 : 149,589,324.60 = 95,769,787.60 : x - Step 2: Convert to fraction form
99,576,917.20/149,589,324.60 = 95,769,787.60/x - Step 3: Cross multiply
99,576,917.20x = 149,589,324.60 × 95,769,787.60 - Step 4: Simplify right side
99,576,917.20x = 14,326,137,844,169,454 - Step 5: Solve for x
x = 14,326,137,844,169,454/99,576,917.20 - Step 6: Final answer
x = 143,870,067.95
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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.