Finding the Fourth Proportional to 220,940,252.09, 304,911,157.12 and 121,820,692.96
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Solution
The fourth proportional to 220,940,252.09, 304,911,157.12 and 121,820,692.96 is: 168,120,060.06
Step by Step Solution
- Step 1: Write the proportion equation
220,940,252.09 : 304,911,157.12 = 121,820,692.96 : x - Step 2: Convert to fraction form
220,940,252.09/304,911,157.12 = 121,820,692.96/x - Step 3: Cross multiply
220,940,252.09x = 304,911,157.12 × 121,820,692.96 - Step 4: Simplify right side
220,940,252.09x = 37,144,488,451,593,840 - Step 5: Solve for x
x = 37,144,488,451,593,840/220,940,252.09 - Step 6: Final answer
x = 168,120,060.06
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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.