Finding the Fourth Proportional to 79,857,668.95, 110,202,958.70 and 43,188,239.95
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Solution
The fourth proportional to 79,857,668.95, 110,202,958.70 and 43,188,239.95 is: 59,599,433.42
Step by Step Solution
- Step 1: Write the proportion equation
79,857,668.95 : 110,202,958.70 = 43,188,239.95 : x - Step 2: Convert to fraction form
79,857,668.95/110,202,958.70 = 43,188,239.95/x - Step 3: Cross multiply
79,857,668.95x = 110,202,958.70 × 43,188,239.95 - Step 4: Simplify right side
79,857,668.95x = 4,759,471,823,448,765 - Step 5: Solve for x
x = 4,759,471,823,448,765/79,857,668.95 - Step 6: Final answer
x = 59,599,433.42
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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.