Finding the Fourth Proportional to 201,420,292.80, 302,130,439.20 and 65,203,435.20
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Solution
The fourth proportional to 201,420,292.80, 302,130,439.20 and 65,203,435.20 is: 97,805,152.80
Step by Step Solution
- Step 1: Write the proportion equation
201,420,292.80 : 302,130,439.20 = 65,203,435.20 : x - Step 2: Convert to fraction form
201,420,292.80/302,130,439.20 = 65,203,435.20/x - Step 3: Cross multiply
201,420,292.80x = 302,130,439.20 × 65,203,435.20 - Step 4: Simplify right side
201,420,292.80x = 19,699,942,514,324,740 - Step 5: Solve for x
x = 19,699,942,514,324,740/201,420,292.80 - Step 6: Final answer
x = 97,805,152.80
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1.5x scale
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.