Finding the Fourth Proportional to 186,439,628.84, 279,578,238.35 and 53,463,102.88
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Solution
The fourth proportional to 186,439,628.84, 279,578,238.35 and 53,463,102.88 is: 80,171,368.14
Step by Step Solution
- Step 1: Write the proportion equation
186,439,628.84 : 279,578,238.35 = 53,463,102.88 : x - Step 2: Convert to fraction form
186,439,628.84/279,578,238.35 = 53,463,102.88/x - Step 3: Cross multiply
186,439,628.84x = 279,578,238.35 × 53,463,102.88 - Step 4: Simplify right side
186,439,628.84x = 14,947,120,119,915,214 - Step 5: Solve for x
x = 14,947,120,119,915,214/186,439,628.84 - Step 6: Final answer
x = 80,171,368.14
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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.