Finding the Fourth Proportional to 51,980,738.99, 71,710,902.41 and 31,342,719.83
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Solution
The fourth proportional to 51,980,738.99, 71,710,902.41 and 31,342,719.83 is: 43,239,376.09
Step by Step Solution
- Step 1: Write the proportion equation
51,980,738.99 : 71,710,902.41 = 31,342,719.83 : x - Step 2: Convert to fraction form
51,980,738.99/71,710,902.41 = 31,342,719.83/x - Step 3: Cross multiply
51,980,738.99x = 71,710,902.41 × 31,342,719.83 - Step 4: Simplify right side
51,980,738.99x = 2,247,614,722,477,833.75 - Step 5: Solve for x
x = 2,247,614,722,477,833.75/51,980,738.99 - Step 6: Final answer
x = 43,239,376.09
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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.