Finding the Fourth Proportional to 201,643,504.80, 302,465,257.20 and 99,456,496.80
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Solution
The fourth proportional to 201,643,504.80, 302,465,257.20 and 99,456,496.80 is: 149,184,745.20
Step by Step Solution
- Step 1: Write the proportion equation
201,643,504.80 : 302,465,257.20 = 99,456,496.80 : x - Step 2: Convert to fraction form
201,643,504.80/302,465,257.20 = 99,456,496.80/x - Step 3: Cross multiply
201,643,504.80x = 302,465,257.20 × 99,456,496.80 - Step 4: Simplify right side
201,643,504.80x = 30,082,134,884,822,976 - Step 5: Solve for x
x = 30,082,134,884,822,976/201,643,504.80 - Step 6: Final answer
x = 149,184,745.20
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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.