Finding the Fourth Proportional to 202,430,839.65, 303,787,217.13 and 71,283,678.68
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Solution
The fourth proportional to 202,430,839.65, 303,787,217.13 and 71,283,678.68 is: 106,975,154.62
Step by Step Solution
- Step 1: Write the proportion equation
202,430,839.65 : 303,787,217.13 = 71,283,678.68 : x - Step 2: Convert to fraction form
202,430,839.65/303,787,217.13 = 71,283,678.68/x - Step 3: Cross multiply
202,430,839.65x = 303,787,217.13 × 71,283,678.68 - Step 4: Simplify right side
202,430,839.65x = 21,655,070,371,110,956 - Step 5: Solve for x
x = 21,655,070,371,110,956/202,430,839.65 - Step 6: Final answer
x = 106,975,154.62
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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.