Finding the Fourth Proportional to 49,965,551.96, 68,947,153.28 and 27,634,989.54
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Solution
The fourth proportional to 49,965,551.96, 68,947,153.28 and 27,634,989.54 is: 38,133,349.58
Step by Step Solution
- Step 1: Write the proportion equation
49,965,551.96 : 68,947,153.28 = 27,634,989.54 : x - Step 2: Convert to fraction form
49,965,551.96/68,947,153.28 = 27,634,989.54/x - Step 3: Cross multiply
49,965,551.96x = 68,947,153.28 × 27,634,989.54 - Step 4: Simplify right side
49,965,551.96x = 1,905,353,859,705,576.75 - Step 5: Solve for x
x = 1,905,353,859,705,576.75/49,965,551.96 - Step 6: Final answer
x = 38,133,349.58
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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.