Finding the Fourth Proportional to 201,420,328.80, 302,130,493.20 and 65,203,471.20
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Solution
The fourth proportional to 201,420,328.80, 302,130,493.20 and 65,203,471.20 is: 97,805,206.80
Step by Step Solution
- Step 1: Write the proportion equation
201,420,328.80 : 302,130,493.20 = 65,203,471.20 : x - Step 2: Convert to fraction form
201,420,328.80/302,130,493.20 = 65,203,471.20/x - Step 3: Cross multiply
201,420,328.80x = 302,130,493.20 × 65,203,471.20 - Step 4: Simplify right side
201,420,328.80x = 19,699,956,912,007,996 - Step 5: Solve for x
x = 19,699,956,912,007,996/201,420,328.80 - Step 6: Final answer
x = 97,805,206.80
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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.