Finding the Fourth Proportional to 144,850,562.70, 217,275,844.05 and 76,826,114.70
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Solution
The fourth proportional to 144,850,562.70, 217,275,844.05 and 76,826,114.70 is: 115,239,172.05
Step by Step Solution
- Step 1: Write the proportion equation
144,850,562.70 : 217,275,844.05 = 76,826,114.70 : x - Step 2: Convert to fraction form
144,850,562.70/217,275,844.05 = 76,826,114.70/x - Step 3: Cross multiply
144,850,562.70x = 217,275,844.05 × 76,826,114.70 - Step 4: Simplify right side
144,850,562.70x = 16,692,458,916,524,614 - Step 5: Solve for x
x = 16,692,458,916,524,614/144,850,562.70 - Step 6: Final answer
x = 115,239,172.05
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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.