Finding the Fourth Proportional to 75,675,447.20, 113,529,111.60 and 24,553,465.76
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Solution
The fourth proportional to 75,675,447.20, 113,529,111.60 and 24,553,465.76 is: 36,835,370.75
Step by Step Solution
- Step 1: Write the proportion equation
75,675,447.20 : 113,529,111.60 = 24,553,465.76 : x - Step 2: Convert to fraction form
75,675,447.20/113,529,111.60 = 24,553,465.76/x - Step 3: Cross multiply
75,675,447.20x = 113,529,111.60 × 24,553,465.76 - Step 4: Simplify right side
75,675,447.20x = 2,787,533,154,433,819 - Step 5: Solve for x
x = 2,787,533,154,433,819/75,675,447.20 - Step 6: Final answer
x = 36,835,370.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.