Finding the Fourth Proportional to 68,104,883.67, 93,987,715.50 and 38,337,450.88
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Solution
The fourth proportional to 68,104,883.67, 93,987,715.50 and 38,337,450.88 is: 52,907,357.48
Step by Step Solution
- Step 1: Write the proportion equation
68,104,883.67 : 93,987,715.50 = 38,337,450.88 : x - Step 2: Convert to fraction form
68,104,883.67/93,987,715.50 = 38,337,450.88/x - Step 3: Cross multiply
68,104,883.67x = 93,987,715.50 × 38,337,450.88 - Step 4: Simplify right side
68,104,883.67x = 3,603,249,426,304,665 - Step 5: Solve for x
x = 3,603,249,426,304,665/68,104,883.67 - Step 6: Final answer
x = 52,907,357.48
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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.