Finding the Fourth Proportional to 202,182,839.40, 303,274,259.10 and 194,246,653.80
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Solution
The fourth proportional to 202,182,839.40, 303,274,259.10 and 194,246,653.80 is: 291,369,980.70
Step by Step Solution
- Step 1: Write the proportion equation
202,182,839.40 : 303,274,259.10 = 194,246,653.80 : x - Step 2: Convert to fraction form
202,182,839.40/303,274,259.10 = 194,246,653.80/x - Step 3: Cross multiply
202,182,839.40x = 303,274,259.10 × 194,246,653.80 - Step 4: Simplify right side
202,182,839.40x = 58,910,010,013,849,208 - Step 5: Solve for x
x = 58,910,010,013,849,208/202,182,839.40 - Step 6: Final answer
x = 291,369,980.70
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1.5x scale
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.