Finding the Fourth Proportional to 126,296,240.49, 174,288,809.75 and 68,349,488.49
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Solution
The fourth proportional to 126,296,240.49, 174,288,809.75 and 68,349,488.49 is: 94,322,292.96
Step by Step Solution
- Step 1: Write the proportion equation
126,296,240.49 : 174,288,809.75 = 68,349,488.49 : x - Step 2: Convert to fraction form
126,296,240.49/174,288,809.75 = 68,349,488.49/x - Step 3: Cross multiply
126,296,240.49x = 174,288,809.75 × 68,349,488.49 - Step 4: Simplify right side
126,296,240.49x = 11,912,550,995,601,676 - Step 5: Solve for x
x = 11,912,550,995,601,676/126,296,240.49 - Step 6: Final answer
x = 94,322,292.96
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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.