Finding the Fourth Proportional to 263,642,899.08, 395,187,519.12 and 88,705,203.60
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Solution
The fourth proportional to 263,642,899.08, 395,187,519.12 and 88,705,203.60 is: 132,964,663.44
Step by Step Solution
- Step 1: Write the proportion equation
263,642,899.08 : 395,187,519.12 = 88,705,203.60 : x - Step 2: Convert to fraction form
263,642,899.08/395,187,519.12 = 88,705,203.60/x - Step 3: Cross multiply
263,642,899.08x = 395,187,519.12 × 88,705,203.60 - Step 4: Simplify right side
263,642,899.08x = 35,055,189,343,718,492 - Step 5: Solve for x
x = 35,055,189,343,718,492/263,642,899.08 - Step 6: Final answer
x = 132,964,663.44
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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.