Finding the Fourth Proportional to 218,246,976.92, 301,135,868.13 and 125,409,548.63
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Solution
The fourth proportional to 218,246,976.92, 301,135,868.13 and 125,409,548.63 is: 173,039,342.09
Step by Step Solution
- Step 1: Write the proportion equation
218,246,976.92 : 301,135,868.13 = 125,409,548.63 : x - Step 2: Convert to fraction form
218,246,976.92/301,135,868.13 = 125,409,548.63/x - Step 3: Cross multiply
218,246,976.92x = 301,135,868.13 × 125,409,548.63 - Step 4: Simplify right side
218,246,976.92x = 37,765,313,299,709,632 - Step 5: Solve for x
x = 37,765,313,299,709,632/218,246,976.92 - Step 6: Final answer
x = 173,039,342.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.