Finding the Fourth Proportional to 76,563,023.20, 114,844,359.57 and 32,815,415.08
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Solution
The fourth proportional to 76,563,023.20, 114,844,359.57 and 32,815,415.08 is: 49,223,047.52
Step by Step Solution
- Step 1: Write the proportion equation
76,563,023.20 : 114,844,359.57 = 32,815,415.08 : x - Step 2: Convert to fraction form
76,563,023.20/114,844,359.57 = 32,815,415.08/x - Step 3: Cross multiply
76,563,023.20x = 114,844,359.57 × 32,815,415.08 - Step 4: Simplify right side
76,563,023.20x = 3,768,665,328,906,818 - Step 5: Solve for x
x = 3,768,665,328,906,818/76,563,023.20 - Step 6: Final answer
x = 49,223,047.52
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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.