Finding the Fourth Proportional to 120,744,841.05, 181,117,261.58 and 39,965,809.05
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Solution
The fourth proportional to 120,744,841.05, 181,117,261.58 and 39,965,809.05 is: 59,948,713.58
Step by Step Solution
- Step 1: Write the proportion equation
120,744,841.05 : 181,117,261.58 = 39,965,809.05 : x - Step 2: Convert to fraction form
120,744,841.05/181,117,261.58 = 39,965,809.05/x - Step 3: Cross multiply
120,744,841.05x = 181,117,261.58 × 39,965,809.05 - Step 4: Simplify right side
120,744,841.05x = 7,238,497,891,765,351 - Step 5: Solve for x
x = 7,238,497,891,765,351/120,744,841.05 - Step 6: Final answer
x = 59,948,713.58
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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.