Finding the Fourth Proportional to 186,439,628.34, 279,578,237.60 and 53,463,102.38
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Solution
The fourth proportional to 186,439,628.34, 279,578,237.60 and 53,463,102.38 is: 80,171,367.39
Step by Step Solution
- Step 1: Write the proportion equation
186,439,628.34 : 279,578,237.60 = 53,463,102.38 : x - Step 2: Convert to fraction form
186,439,628.34/279,578,237.60 = 53,463,102.38/x - Step 3: Cross multiply
186,439,628.34x = 279,578,237.60 × 53,463,102.38 - Step 4: Simplify right side
186,439,628.34x = 14,947,119,940,028,768 - Step 5: Solve for x
x = 14,947,119,940,028,768/186,439,628.34 - Step 6: Final answer
x = 80,171,367.39
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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.