Finding the Fourth Proportional to 49,283,350.14, 68,031,964.20 and 30,707,668.02
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Solution
The fourth proportional to 49,283,350.14, 68,031,964.20 and 30,707,668.02 is: 42,389,629.87
Step by Step Solution
- Step 1: Write the proportion equation
49,283,350.14 : 68,031,964.20 = 30,707,668.02 : x - Step 2: Convert to fraction form
49,283,350.14/68,031,964.20 = 30,707,668.02/x - Step 3: Cross multiply
49,283,350.14x = 68,031,964.20 × 30,707,668.02 - Step 4: Simplify right side
49,283,350.14x = 2,089,102,971,402,125 - Step 5: Solve for x
x = 2,089,102,971,402,125/49,283,350.14 - Step 6: Final answer
x = 42,389,629.87
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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.