Finding the Fourth Proportional to 180,341,805.12, 248,869,790.04 and 100,957,519.44
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Solution
The fourth proportional to 180,341,805.12, 248,869,790.04 and 100,957,519.44 is: 139,320,312.61
Step by Step Solution
- Step 1: Write the proportion equation
180,341,805.12 : 248,869,790.04 = 100,957,519.44 : x - Step 2: Convert to fraction form
180,341,805.12/248,869,790.04 = 100,957,519.44/x - Step 3: Cross multiply
180,341,805.12x = 248,869,790.04 × 100,957,519.44 - Step 4: Simplify right side
180,341,805.12x = 25,125,276,665,992,016 - Step 5: Solve for x
x = 25,125,276,665,992,016/180,341,805.12 - Step 6: Final answer
x = 139,320,312.61
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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.