Finding the Fourth Proportional to 201,796,812.40, 302,216,921.70 and 201,796,812.40
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Solution
The fourth proportional to 201,796,812.40, 302,216,921.70 and 201,796,812.40 is: 302,216,921.70
Step by Step Solution
- Step 1: Write the proportion equation
201,796,812.40 : 302,216,921.70 = 201,796,812.40 : x - Step 2: Convert to fraction form
201,796,812.40/302,216,921.70 = 201,796,812.40/x - Step 3: Cross multiply
201,796,812.40x = 302,216,921.70 × 201,796,812.40 - Step 4: Simplify right side
201,796,812.40x = 60,986,411,452,400,392 - Step 5: Solve for x
x = 60,986,411,452,400,392/201,796,812.40 - Step 6: Final answer
x = 302,216,921.70
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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.