Finding the Fourth Proportional to 76,738,218.44, 114,901,062.38 and 58,455,319.56
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Solution
The fourth proportional to 76,738,218.44, 114,901,062.38 and 58,455,319.56 is: 87,525,856.81
Step by Step Solution
- Step 1: Write the proportion equation
76,738,218.44 : 114,901,062.38 = 58,455,319.56 : x - Step 2: Convert to fraction form
76,738,218.44/114,901,062.38 = 58,455,319.56/x - Step 3: Cross multiply
76,738,218.44x = 114,901,062.38 × 58,455,319.56 - Step 4: Simplify right side
76,738,218.44x = 6,716,578,319,206,394 - Step 5: Solve for x
x = 6,716,578,319,206,394/76,738,218.44 - Step 6: Final answer
x = 87,525,856.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.