Finding the Fourth Proportional to 223,512,651.68, 308,183,558.88 and 152,982,236.96
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Solution
The fourth proportional to 223,512,651.68, 308,183,558.88 and 152,982,236.96 is: 210,934,861.53
Step by Step Solution
- Step 1: Write the proportion equation
223,512,651.68 : 308,183,558.88 = 152,982,236.96 : x - Step 2: Convert to fraction form
223,512,651.68/308,183,558.88 = 152,982,236.96/x - Step 3: Cross multiply
223,512,651.68x = 308,183,558.88 × 152,982,236.96 - Step 4: Simplify right side
223,512,651.68x = 47,146,610,231,756,272 - Step 5: Solve for x
x = 47,146,610,231,756,272/223,512,651.68 - Step 6: Final answer
x = 210,934,861.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.