Finding the Fourth Proportional to 252,088,368.80, 378,132,553.20 and 157,468,251.20
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Solution
The fourth proportional to 252,088,368.80, 378,132,553.20 and 157,468,251.20 is: 236,202,376.80
Step by Step Solution
- Step 1: Write the proportion equation
252,088,368.80 : 378,132,553.20 = 157,468,251.20 : x - Step 2: Convert to fraction form
252,088,368.80/378,132,553.20 = 157,468,251.20/x - Step 3: Cross multiply
252,088,368.80x = 378,132,553.20 × 157,468,251.20 - Step 4: Simplify right side
252,088,368.80x = 59,543,871,874,194,960 - Step 5: Solve for x
x = 59,543,871,874,194,960/252,088,368.80 - Step 6: Final answer
x = 236,202,376.80
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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.