Finding the Fourth Proportional to 202,430,839.15, 303,787,216.38 and 71,283,678.17
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Solution
The fourth proportional to 202,430,839.15, 303,787,216.38 and 71,283,678.17 is: 106,975,153.87
Step by Step Solution
- Step 1: Write the proportion equation
202,430,839.15 : 303,787,216.38 = 71,283,678.17 : x - Step 2: Convert to fraction form
202,430,839.15/303,787,216.38 = 71,283,678.17/x - Step 3: Cross multiply
202,430,839.15x = 303,787,216.38 × 71,283,678.17 - Step 4: Simplify right side
202,430,839.15x = 21,655,070,165,588,244 - Step 5: Solve for x
x = 21,655,070,165,588,244/202,430,839.15 - Step 6: Final answer
x = 106,975,153.87
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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.