Finding the Fourth Proportional to 49,578,307.67, 68,419,726.08 and 27,552,735.43
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Solution
The fourth proportional to 49,578,307.67, 68,419,726.08 and 27,552,735.43 is: 38,023,698.25
Step by Step Solution
- Step 1: Write the proportion equation
49,578,307.67 : 68,419,726.08 = 27,552,735.43 : x - Step 2: Convert to fraction form
49,578,307.67/68,419,726.08 = 27,552,735.43/x - Step 3: Cross multiply
49,578,307.67x = 68,419,726.08 × 27,552,735.43 - Step 4: Simplify right side
49,578,307.67x = 1,885,150,610,600,939 - Step 5: Solve for x
x = 1,885,150,610,600,939/49,578,307.67 - Step 6: Final answer
x = 38,023,698.25
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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.