Finding the Fourth Proportional to 323,804,245.49, 485,740,388.24 and 105,471,609.65
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Solution
The fourth proportional to 323,804,245.49, 485,740,388.24 and 105,471,609.65 is: 158,218,495.69
Step by Step Solution
- Step 1: Write the proportion equation
323,804,245.49 : 485,740,388.24 = 105,471,609.65 : x - Step 2: Convert to fraction form
323,804,245.49/485,740,388.24 = 105,471,609.65/x - Step 3: Cross multiply
323,804,245.49x = 485,740,388.24 × 105,471,609.65 - Step 4: Simplify right side
323,804,245.49x = 51,231,820,619,161,376 - Step 5: Solve for x
x = 51,231,820,619,161,376/323,804,245.49 - Step 6: Final answer
x = 158,218,495.69
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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.