Finding the Fourth Proportional to 218,722,832.10, 328,084,248.15 and 202,094,633.70
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Solution
The fourth proportional to 218,722,832.10, 328,084,248.15 and 202,094,633.70 is: 303,141,950.55
Step by Step Solution
- Step 1: Write the proportion equation
218,722,832.10 : 328,084,248.15 = 202,094,633.70 : x - Step 2: Convert to fraction form
218,722,832.10/328,084,248.15 = 202,094,633.70/x - Step 3: Cross multiply
218,722,832.10x = 328,084,248.15 × 202,094,633.70 - Step 4: Simplify right side
218,722,832.10x = 66,304,065,952,614,144 - Step 5: Solve for x
x = 66,304,065,952,614,144/218,722,832.10 - Step 6: Final answer
x = 303,141,950.55
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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.