Finding the Fourth Proportional to 201,465,237.20, 302,197,855.80 and 196,986,261.20
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Solution
The fourth proportional to 201,465,237.20, 302,197,855.80 and 196,986,261.20 is: 295,479,391.80
Step by Step Solution
- Step 1: Write the proportion equation
201,465,237.20 : 302,197,855.80 = 196,986,261.20 : x - Step 2: Convert to fraction form
201,465,237.20/302,197,855.80 = 196,986,261.20/x - Step 3: Cross multiply
201,465,237.20x = 302,197,855.80 × 196,986,261.20 - Step 4: Simplify right side
201,465,237.20x = 59,528,825,756,698,736 - Step 5: Solve for x
x = 59,528,825,756,698,736/201,465,237.20 - Step 6: Final answer
x = 295,479,391.80
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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.