Finding the Fourth Proportional to 124,398,859.20, 186,598,288.80 and 55,311,529.20
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Solution
The fourth proportional to 124,398,859.20, 186,598,288.80 and 55,311,529.20 is: 82,967,293.80
Step by Step Solution
- Step 1: Write the proportion equation
124,398,859.20 : 186,598,288.80 = 55,311,529.20 : x - Step 2: Convert to fraction form
124,398,859.20/186,598,288.80 = 55,311,529.20/x - Step 3: Cross multiply
124,398,859.20x = 186,598,288.80 × 55,311,529.20 - Step 4: Simplify right side
124,398,859.20x = 10,321,036,699,631,234 - Step 5: Solve for x
x = 10,321,036,699,631,234/124,398,859.20 - Step 6: Final answer
x = 82,967,293.80
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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.