Finding the Fourth Proportional to 220,218,733.68, 303,827,467.92 and 124,839,010
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Solution
The fourth proportional to 220,218,733.68, 303,827,467.92 and 124,839,010 is: 172,235,666.20
Step by Step Solution
- Step 1: Write the proportion equation
220,218,733.68 : 303,827,467.92 = 124,839,010 : x - Step 2: Convert to fraction form
220,218,733.68/303,827,467.92 = 124,839,010/x - Step 3: Cross multiply
220,218,733.68x = 303,827,467.92 × 124,839,010 - Step 4: Simplify right side
220,218,733.68x = 37,929,520,305,939,560 - Step 5: Solve for x
x = 37,929,520,305,939,560/220,218,733.68 - Step 6: Final answer
x = 172,235,666.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.