Finding the Fourth Proportional to 49,210,503.62, 67,909,178.76 and 27,183,528.96
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Solution
The fourth proportional to 49,210,503.62, 67,909,178.76 and 27,183,528.96 is: 37,512,542.89
Step by Step Solution
- Step 1: Write the proportion equation
49,210,503.62 : 67,909,178.76 = 27,183,528.96 : x - Step 2: Convert to fraction form
49,210,503.62/67,909,178.76 = 27,183,528.96/x - Step 3: Cross multiply
49,210,503.62x = 67,909,178.76 × 27,183,528.96 - Step 4: Simplify right side
49,210,503.62x = 1,846,011,127,472,277 - Step 5: Solve for x
x = 1,846,011,127,472,277/49,210,503.62 - Step 6: Final answer
x = 37,512,542.89
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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.