Finding the Fourth Proportional to 209,151,235.80, 313,726,853.70 and 94,359,979.80
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Solution
The fourth proportional to 209,151,235.80, 313,726,853.70 and 94,359,979.80 is: 141,539,969.70
Step by Step Solution
- Step 1: Write the proportion equation
209,151,235.80 : 313,726,853.70 = 94,359,979.80 : x - Step 2: Convert to fraction form
209,151,235.80/313,726,853.70 = 94,359,979.80/x - Step 3: Cross multiply
209,151,235.80x = 313,726,853.70 × 94,359,979.80 - Step 4: Simplify right side
209,151,235.80x = 29,603,259,577,849,552 - Step 5: Solve for x
x = 29,603,259,577,849,552/209,151,235.80 - Step 6: Final answer
x = 141,539,969.70
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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.