Finding the Fourth Proportional to 202,088,720.40, 303,133,080.60 and 125,561,216.40
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Solution
The fourth proportional to 202,088,720.40, 303,133,080.60 and 125,561,216.40 is: 188,341,824.60
Step by Step Solution
- Step 1: Write the proportion equation
202,088,720.40 : 303,133,080.60 = 125,561,216.40 : x - Step 2: Convert to fraction form
202,088,720.40/303,133,080.60 = 125,561,216.40/x - Step 3: Cross multiply
202,088,720.40x = 303,133,080.60 × 125,561,216.40 - Step 4: Simplify right side
202,088,720.40x = 38,061,758,331,215,248 - Step 5: Solve for x
x = 38,061,758,331,215,248/202,088,720.40 - Step 6: Final answer
x = 188,341,824.60
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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.