Finding the Fourth Proportional to 202,213,991.30, 303,320,986.95 and 202,213,991.30
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Solution
The fourth proportional to 202,213,991.30, 303,320,986.95 and 202,213,991.30 is: 303,320,986.95
Step by Step Solution
- Step 1: Write the proportion equation
202,213,991.30 : 303,320,986.95 = 202,213,991.30 : x - Step 2: Convert to fraction form
202,213,991.30/303,320,986.95 = 202,213,991.30/x - Step 3: Cross multiply
202,213,991.30x = 303,320,986.95 × 202,213,991.30 - Step 4: Simplify right side
202,213,991.30x = 61,335,747,416,214,712 - Step 5: Solve for x
x = 61,335,747,416,214,712/202,213,991.30 - Step 6: Final answer
x = 303,320,986.95
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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.