Finding the Fourth Proportional to 203,688,723.09, 305,578,640.71 and 74,296,333.18
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Solution
The fourth proportional to 203,688,723.09, 305,578,640.71 and 74,296,333.18 is: 111,461,116.54
Step by Step Solution
- Step 1: Write the proportion equation
203,688,723.09 : 305,578,640.71 = 74,296,333.18 : x - Step 2: Convert to fraction form
203,688,723.09/305,578,640.71 = 74,296,333.18/x - Step 3: Cross multiply
203,688,723.09x = 305,578,640.71 × 74,296,333.18 - Step 4: Simplify right side
203,688,723.09x = 22,703,372,503,357,260 - Step 5: Solve for x
x = 22,703,372,503,357,260/203,688,723.09 - Step 6: Final answer
x = 111,461,116.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.