Finding the Fourth Proportional to 239,245,165.84, 330,158,623.44 and 129,236,879.92
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Solution
The fourth proportional to 239,245,165.84, 330,158,623.44 and 129,236,879.92 is: 178,347,053.42
Step by Step Solution
- Step 1: Write the proportion equation
239,245,165.84 : 330,158,623.44 = 129,236,879.92 : x - Step 2: Convert to fraction form
239,245,165.84/330,158,623.44 = 129,236,879.92/x - Step 3: Cross multiply
239,245,165.84x = 330,158,623.44 × 129,236,879.92 - Step 4: Simplify right side
239,245,165.84x = 42,668,670,372,067,776 - Step 5: Solve for x
x = 42,668,670,372,067,776/239,245,165.84 - Step 6: Final answer
x = 178,347,053.42
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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.