Finding the Fourth Proportional to 75,806,068.14, 104,612,371.35 and 40,998,757.74
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Solution
The fourth proportional to 75,806,068.14, 104,612,371.35 and 40,998,757.74 is: 56,578,284.23
Step by Step Solution
- Step 1: Write the proportion equation
75,806,068.14 : 104,612,371.35 = 40,998,757.74 : x - Step 2: Convert to fraction form
75,806,068.14/104,612,371.35 = 40,998,757.74/x - Step 3: Cross multiply
75,806,068.14x = 104,612,371.35 × 40,998,757.74 - Step 4: Simplify right side
75,806,068.14x = 4,288,977,269,585,566.50 - Step 5: Solve for x
x = 4,288,977,269,585,566.50/75,806,068.14 - Step 6: Final answer
x = 56,578,284.23
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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.