Finding the Fourth Proportional to 49,273,087.08, 67,974,259.28 and 31,875,042.81
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Solution
The fourth proportional to 49,273,087.08, 67,974,259.28 and 31,875,042.81 is: 43,972,938.43
Step by Step Solution
- Step 1: Write the proportion equation
49,273,087.08 : 67,974,259.28 = 31,875,042.81 : x - Step 2: Convert to fraction form
49,273,087.08/67,974,259.28 = 31,875,042.81/x - Step 3: Cross multiply
49,273,087.08x = 67,974,259.28 × 31,875,042.81 - Step 4: Simplify right side
49,273,087.08x = 2,166,682,424,368,664.75 - Step 5: Solve for x
x = 2,166,682,424,368,664.75/49,273,087.08 - Step 6: Final answer
x = 43,972,938.43
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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.