Finding the Fourth Proportional to 189,696,235.46, 261,700,644.57 and 126,992,534.18
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Solution
The fourth proportional to 189,696,235.46, 261,700,644.57 and 126,992,534.18 is: 175,196,033.65
Step by Step Solution
- Step 1: Write the proportion equation
189,696,235.46 : 261,700,644.57 = 126,992,534.18 : x - Step 2: Convert to fraction form
189,696,235.46/261,700,644.57 = 126,992,534.18/x - Step 3: Cross multiply
189,696,235.46x = 261,700,644.57 × 126,992,534.18 - Step 4: Simplify right side
189,696,235.46x = 33,234,028,050,483,756 - Step 5: Solve for x
x = 33,234,028,050,483,756/189,696,235.46 - Step 6: Final answer
x = 175,196,033.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.