Finding the Fourth Proportional to 124,279,260.85, 186,207,935.53 and 74,991,553.54
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Solution
The fourth proportional to 124,279,260.85, 186,207,935.53 and 74,991,553.54 is: 112,360,037.16
Step by Step Solution
- Step 1: Write the proportion equation
124,279,260.85 : 186,207,935.53 = 74,991,553.54 : x - Step 2: Convert to fraction form
124,279,260.85/186,207,935.53 = 74,991,553.54/x - Step 3: Cross multiply
124,279,260.85x = 186,207,935.53 × 74,991,553.54 - Step 4: Simplify right side
124,279,260.85x = 13,964,022,366,870,864 - Step 5: Solve for x
x = 13,964,022,366,870,864/124,279,260.85 - Step 6: Final answer
x = 112,360,037.16
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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.