Finding the Fourth Proportional to 68,329,960.40, 94,294,543.56 and 37,389,774.80
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Solution
The fourth proportional to 68,329,960.40, 94,294,543.56 and 37,389,774.80 is: 51,597,450.49
Step by Step Solution
- Step 1: Write the proportion equation
68,329,960.40 : 94,294,543.56 = 37,389,774.80 : x - Step 2: Convert to fraction form
68,329,960.40/94,294,543.56 = 37,389,774.80/x - Step 3: Cross multiply
68,329,960.40x = 94,294,543.56 × 37,389,774.80 - Step 4: Simplify right side
68,329,960.40x = 3,525,651,748,577,190 - Step 5: Solve for x
x = 3,525,651,748,577,190/68,329,960.40 - Step 6: Final answer
x = 51,597,450.49
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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.