Finding the Fourth Proportional to 242,581,405.80, 363,872,108.70 and 236,204,113.80
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Solution
The fourth proportional to 242,581,405.80, 363,872,108.70 and 236,204,113.80 is: 354,306,170.70
Step by Step Solution
- Step 1: Write the proportion equation
242,581,405.80 : 363,872,108.70 = 236,204,113.80 : x - Step 2: Convert to fraction form
242,581,405.80/363,872,108.70 = 236,204,113.80/x - Step 3: Cross multiply
242,581,405.80x = 363,872,108.70 × 236,204,113.80 - Step 4: Simplify right side
242,581,405.80x = 85,948,088,972,020,768 - Step 5: Solve for x
x = 85,948,088,972,020,768/242,581,405.80 - Step 6: Final answer
x = 354,306,170.70
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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.