Finding the Fourth Proportional to 100,204,324.94, 138,279,621.75 and 58,953,869.66
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Solution
The fourth proportional to 100,204,324.94, 138,279,621.75 and 58,953,869.66 is: 81,354,959.50
Step by Step Solution
- Step 1: Write the proportion equation
100,204,324.94 : 138,279,621.75 = 58,953,869.66 : x - Step 2: Convert to fraction form
100,204,324.94/138,279,621.75 = 58,953,869.66/x - Step 3: Cross multiply
100,204,324.94x = 138,279,621.75 × 58,953,869.66 - Step 4: Simplify right side
100,204,324.94x = 8,152,118,797,283,601 - Step 5: Solve for x
x = 8,152,118,797,283,601/100,204,324.94 - Step 6: Final answer
x = 81,354,959.50
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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.