Finding the Fourth Proportional to 305,313,705.36, 421,332,594.44 and 166,084,134.98
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Solution
The fourth proportional to 305,313,705.36, 421,332,594.44 and 166,084,134.98 is: 229,195,932.76
Step by Step Solution
- Step 1: Write the proportion equation
305,313,705.36 : 421,332,594.44 = 166,084,134.98 : x - Step 2: Convert to fraction form
305,313,705.36/421,332,594.44 = 166,084,134.98/x - Step 3: Cross multiply
305,313,705.36x = 421,332,594.44 × 166,084,134.98 - Step 4: Simplify right side
305,313,705.36x = 69,976,659,483,509,472 - Step 5: Solve for x
x = 69,976,659,483,509,472/305,313,705.36 - Step 6: Final answer
x = 229,195,932.76
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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.