Finding the Fourth Proportional to 221,302,672.08, 305,113,807.68 and 181,463,419.68
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Solution
The fourth proportional to 221,302,672.08, 305,113,807.68 and 181,463,419.68 is: 250,186,743.85
Step by Step Solution
- Step 1: Write the proportion equation
221,302,672.08 : 305,113,807.68 = 181,463,419.68 : x - Step 2: Convert to fraction form
221,302,672.08/305,113,807.68 = 181,463,419.68/x - Step 3: Cross multiply
221,302,672.08x = 305,113,807.68 × 181,463,419.68 - Step 4: Simplify right side
221,302,672.08x = 55,366,994,933,198,648 - Step 5: Solve for x
x = 55,366,994,933,198,648/221,302,672.08 - Step 6: Final answer
x = 250,186,743.85
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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.