Finding the Fourth Proportional to 45,019,988.82, 62,128,791.18 and 27,372,823.38
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Solution
The fourth proportional to 45,019,988.82, 62,128,791.18 and 27,372,823.38 is: 37,775,229.90
Step by Step Solution
- Step 1: Write the proportion equation
45,019,988.82 : 62,128,791.18 = 27,372,823.38 : x - Step 2: Convert to fraction form
45,019,988.82/62,128,791.18 = 27,372,823.38/x - Step 3: Cross multiply
45,019,988.82x = 62,128,791.18 × 27,372,823.38 - Step 4: Simplify right side
45,019,988.82x = 1,700,640,427,783,041.75 - Step 5: Solve for x
x = 1,700,640,427,783,041.75/45,019,988.82 - Step 6: Final answer
x = 37,775,229.90
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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.