Finding the Fourth Proportional to 64,513,425.40, 96,770,138.10 and 57,944,260.60
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Solution
The fourth proportional to 64,513,425.40, 96,770,138.10 and 57,944,260.60 is: 86,916,390.90
Step by Step Solution
- Step 1: Write the proportion equation
64,513,425.40 : 96,770,138.10 = 57,944,260.60 : x - Step 2: Convert to fraction form
64,513,425.40/96,770,138.10 = 57,944,260.60/x - Step 3: Cross multiply
64,513,425.40x = 96,770,138.10 × 57,944,260.60 - Step 4: Simplify right side
64,513,425.40x = 5,607,274,100,364,389 - Step 5: Solve for x
x = 5,607,274,100,364,389/64,513,425.40 - Step 6: Final answer
x = 86,916,390.90
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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.