Finding the Fourth Proportional to 201,933,455.40, 302,900,183.10 and 125,342,965.80
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Solution
The fourth proportional to 201,933,455.40, 302,900,183.10 and 125,342,965.80 is: 188,014,448.70
Step by Step Solution
- Step 1: Write the proportion equation
201,933,455.40 : 302,900,183.10 = 125,342,965.80 : x - Step 2: Convert to fraction form
201,933,455.40/302,900,183.10 = 125,342,965.80/x - Step 3: Cross multiply
201,933,455.40x = 302,900,183.10 × 125,342,965.80 - Step 4: Simplify right side
201,933,455.40x = 37,966,407,291,117,040 - Step 5: Solve for x
x = 37,966,407,291,117,040/201,933,455.40 - Step 6: Final answer
x = 188,014,448.70
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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.