Finding the Fourth Proportional to 66,436,243.80, 93,106,400.70 and 66,436,243.80
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Solution
The fourth proportional to 66,436,243.80, 93,106,400.70 and 66,436,243.80 is: 93,106,400.70
Step by Step Solution
- Step 1: Write the proportion equation
66,436,243.80 : 93,106,400.70 = 66,436,243.80 : x - Step 2: Convert to fraction form
66,436,243.80/93,106,400.70 = 66,436,243.80/x - Step 3: Cross multiply
66,436,243.80x = 93,106,400.70 × 66,436,243.80 - Step 4: Simplify right side
66,436,243.80x = 6,185,639,536,245,691 - Step 5: Solve for x
x = 6,185,639,536,245,691/66,436,243.80 - Step 6: Final answer
x = 93,106,400.70
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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.