Finding the Fourth Proportional to 66,943,627.62, 92,377,140.63 and 37,569,285.09
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Solution
The fourth proportional to 66,943,627.62, 92,377,140.63 and 37,569,285.09 is: 51,842,770.63
Step by Step Solution
- Step 1: Write the proportion equation
66,943,627.62 : 92,377,140.63 = 37,569,285.09 : x - Step 2: Convert to fraction form
66,943,627.62/92,377,140.63 = 37,569,285.09/x - Step 3: Cross multiply
66,943,627.62x = 92,377,140.63 × 37,569,285.09 - Step 4: Simplify right side
66,943,627.62x = 3,470,543,132,127,492.50 - Step 5: Solve for x
x = 3,470,543,132,127,492.50/66,943,627.62 - Step 6: Final answer
x = 51,842,770.63
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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.