Finding the Fourth Proportional to 66,163,615.80, 92,724,721.50 and 66,163,615.80
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Solution
The fourth proportional to 66,163,615.80, 92,724,721.50 and 66,163,615.80 is: 92,724,721.50
Step by Step Solution
- Step 1: Write the proportion equation
66,163,615.80 : 92,724,721.50 = 66,163,615.80 : x - Step 2: Convert to fraction form
66,163,615.80/92,724,721.50 = 66,163,615.80/x - Step 3: Cross multiply
66,163,615.80x = 92,724,721.50 × 66,163,615.80 - Step 4: Simplify right side
66,163,615.80x = 6,135,002,848,487,999 - Step 5: Solve for x
x = 6,135,002,848,487,999/66,163,615.80 - Step 6: Final answer
x = 92,724,721.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.