Finding the Fourth Proportional to 49,634,342.10, 74,458,511.55 and 15,552,134.10
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Solution
The fourth proportional to 49,634,342.10, 74,458,511.55 and 15,552,134.10 is: 23,330,393.99
Step by Step Solution
- Step 1: Write the proportion equation
49,634,342.10 : 74,458,511.55 = 15,552,134.10 : x - Step 2: Convert to fraction form
49,634,342.10/74,458,511.55 = 15,552,134.10/x - Step 3: Cross multiply
49,634,342.10x = 74,458,511.55 × 15,552,134.10 - Step 4: Simplify right side
49,634,342.10x = 1,157,988,756,511,998.75 - Step 5: Solve for x
x = 1,157,988,756,511,998.75/49,634,342.10 - Step 6: Final answer
x = 23,330,393.99
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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.