Finding the Fourth Proportional to 71,858,159.67, 99,164,163.81 and 40,918,330.47
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Solution
The fourth proportional to 71,858,159.67, 99,164,163.81 and 40,918,330.47 is: 56,467,241.08
Step by Step Solution
- Step 1: Write the proportion equation
71,858,159.67 : 99,164,163.81 = 40,918,330.47 : x - Step 2: Convert to fraction form
71,858,159.67/99,164,163.81 = 40,918,330.47/x - Step 3: Cross multiply
71,858,159.67x = 99,164,163.81 × 40,918,330.47 - Step 4: Simplify right side
71,858,159.67x = 4,057,632,025,558,794.50 - Step 5: Solve for x
x = 4,057,632,025,558,794.50/71,858,159.67 - Step 6: Final answer
x = 56,467,241.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.