Finding the Fourth Proportional to 200,573,449.21, 276,674,092.79 and 126,116,129.33
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Solution
The fourth proportional to 200,573,449.21, 276,674,092.79 and 126,116,129.33 is: 173,966,523.52
Step by Step Solution
- Step 1: Write the proportion equation
200,573,449.21 : 276,674,092.79 = 126,116,129.33 : x - Step 2: Convert to fraction form
200,573,449.21/276,674,092.79 = 126,116,129.33/x - Step 3: Cross multiply
200,573,449.21x = 276,674,092.79 × 126,116,129.33 - Step 4: Simplify right side
200,573,449.21x = 34,893,065,668,625,168 - Step 5: Solve for x
x = 34,893,065,668,625,168/200,573,449.21 - Step 6: Final answer
x = 173,966,523.52
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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.