Finding the Fourth Proportional to 124,347,252.80, 186,520,879.20 and 39,246,708.80
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Solution
The fourth proportional to 124,347,252.80, 186,520,879.20 and 39,246,708.80 is: 58,870,063.20
Step by Step Solution
- Step 1: Write the proportion equation
124,347,252.80 : 186,520,879.20 = 39,246,708.80 : x - Step 2: Convert to fraction form
124,347,252.80/186,520,879.20 = 39,246,708.80/x - Step 3: Cross multiply
124,347,252.80x = 186,520,879.20 × 39,246,708.80 - Step 4: Simplify right side
124,347,252.80x = 7,320,330,631,082,376 - Step 5: Solve for x
x = 7,320,330,631,082,376/124,347,252.80 - Step 6: Final answer
x = 58,870,063.20
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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.