Finding the Fourth Proportional to 186,877,087.66, 257,882,575.89 and 107,486,112.97
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Solution
The fourth proportional to 186,877,087.66, 257,882,575.89 and 107,486,112.97 is: 148,326,346.65
Step by Step Solution
- Step 1: Write the proportion equation
186,877,087.66 : 257,882,575.89 = 107,486,112.97 : x - Step 2: Convert to fraction form
186,877,087.66/257,882,575.89 = 107,486,112.97/x - Step 3: Cross multiply
186,877,087.66x = 257,882,575.89 × 107,486,112.97 - Step 4: Simplify right side
186,877,087.66x = 27,718,795,685,107,136 - Step 5: Solve for x
x = 27,718,795,685,107,136/186,877,087.66 - Step 6: Final answer
x = 148,326,346.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.