Finding the Fourth Proportional to 243,772,608.17, 365,582,097.98 and 79,972,194.85
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Solution
The fourth proportional to 243,772,608.17, 365,582,097.98 and 79,972,194.85 is: 119,933,092.53
Step by Step Solution
- Step 1: Write the proportion equation
243,772,608.17 : 365,582,097.98 = 79,972,194.85 : x - Step 2: Convert to fraction form
243,772,608.17/365,582,097.98 = 79,972,194.85/x - Step 3: Cross multiply
243,772,608.17x = 365,582,097.98 × 79,972,194.85 - Step 4: Simplify right side
243,772,608.17x = 29,236,402,772,764,672 - Step 5: Solve for x
x = 29,236,402,772,764,672/243,772,608.17 - Step 6: Final answer
x = 119,933,092.53
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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.