Finding the Fourth Proportional to 275,034,550.81, 379,646,405.31 and 163,525,125.58
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Solution
The fourth proportional to 275,034,550.81, 379,646,405.31 and 163,525,125.58 is: 225,723,371.56
Step by Step Solution
- Step 1: Write the proportion equation
275,034,550.81 : 379,646,405.31 = 163,525,125.58 : x - Step 2: Convert to fraction form
275,034,550.81/379,646,405.31 = 163,525,125.58/x - Step 3: Cross multiply
275,034,550.81x = 379,646,405.31 × 163,525,125.58 - Step 4: Simplify right side
275,034,550.81x = 62,081,726,104,313,336 - Step 5: Solve for x
x = 62,081,726,104,313,336/275,034,550.81 - Step 6: Final answer
x = 225,723,371.56
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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.