Finding the Fourth Proportional to 190,852,474.40, 286,278,711.60 and 88,582,522.40
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Solution
The fourth proportional to 190,852,474.40, 286,278,711.60 and 88,582,522.40 is: 132,873,783.60
Step by Step Solution
- Step 1: Write the proportion equation
190,852,474.40 : 286,278,711.60 = 88,582,522.40 : x - Step 2: Convert to fraction form
190,852,474.40/286,278,711.60 = 88,582,522.40/x - Step 3: Cross multiply
190,852,474.40x = 286,278,711.60 × 88,582,522.40 - Step 4: Simplify right side
190,852,474.40x = 25,359,290,382,950,144 - Step 5: Solve for x
x = 25,359,290,382,950,144/190,852,474.40 - Step 6: Final answer
x = 132,873,783.60
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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.