Finding the Fourth Proportional to 33,139,106.70, 49,716,190.53 and 10,112,101.08
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Solution
The fourth proportional to 33,139,106.70, 49,716,190.53 and 10,112,101.08 is: 15,170,449.48
Step by Step Solution
- Step 1: Write the proportion equation
33,139,106.70 : 49,716,190.53 = 10,112,101.08 : x - Step 2: Convert to fraction form
33,139,106.70/49,716,190.53 = 10,112,101.08/x - Step 3: Cross multiply
33,139,106.70x = 49,716,190.53 × 10,112,101.08 - Step 4: Simplify right side
33,139,106.70x = 502,735,143,951,898.81 - Step 5: Solve for x
x = 502,735,143,951,898.81/33,139,106.70 - Step 6: Final answer
x = 15,170,449.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.