Finding the Fourth Proportional to 213,867,871.26, 320,750,441.37 and 98,741,800.14
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Solution
The fourth proportional to 213,867,871.26, 320,750,441.37 and 98,741,800.14 is: 148,088,984.99
Step by Step Solution
- Step 1: Write the proportion equation
213,867,871.26 : 320,750,441.37 = 98,741,800.14 : x - Step 2: Convert to fraction form
213,867,871.26/320,750,441.37 = 98,741,800.14/x - Step 3: Cross multiply
213,867,871.26x = 320,750,441.37 × 98,741,800.14 - Step 4: Simplify right side
213,867,871.26x = 31,671,475,976,573,328 - Step 5: Solve for x
x = 31,671,475,976,573,328/213,867,871.26 - Step 6: Final answer
x = 148,088,984.99
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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.