Finding the Fourth Proportional to 66,427,226.30, 91,588,130.58 and 54,625,250.90
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Solution
The fourth proportional to 66,427,226.30, 91,588,130.58 and 54,625,250.90 is: 75,315,874.09
Step by Step Solution
- Step 1: Write the proportion equation
66,427,226.30 : 91,588,130.58 = 54,625,250.90 : x - Step 2: Convert to fraction form
66,427,226.30/91,588,130.58 = 54,625,250.90/x - Step 3: Cross multiply
66,427,226.30x = 91,588,130.58 × 54,625,250.90 - Step 4: Simplify right side
66,427,226.30x = 5,003,024,611,936,522 - Step 5: Solve for x
x = 5,003,024,611,936,522/66,427,226.30 - Step 6: Final answer
x = 75,315,874.09
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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.