Finding the Fourth Proportional to 190,680,857.68, 286,023,943.68 and 54,366,241.18
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Solution
The fourth proportional to 190,680,857.68, 286,023,943.68 and 54,366,241.18 is: 81,550,119.37
Step by Step Solution
- Step 1: Write the proportion equation
190,680,857.68 : 286,023,943.68 = 54,366,241.18 : x - Step 2: Convert to fraction form
190,680,857.68/286,023,943.68 = 54,366,241.18/x - Step 3: Cross multiply
190,680,857.68x = 286,023,943.68 × 54,366,241.18 - Step 4: Simplify right side
190,680,857.68x = 15,550,046,705,361,618 - Step 5: Solve for x
x = 15,550,046,705,361,618/190,680,857.68 - Step 6: Final answer
x = 81,550,119.37
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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.