Finding the Fourth Proportional to 189,178,390.24, 283,631,394.18 and 116,244,479.18
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Solution
The fourth proportional to 189,178,390.24, 283,631,394.18 and 116,244,479.18 is: 174,283,033.35
Step by Step Solution
- Step 1: Write the proportion equation
189,178,390.24 : 283,631,394.18 = 116,244,479.18 : x - Step 2: Convert to fraction form
189,178,390.24/283,631,394.18 = 116,244,479.18/x - Step 3: Cross multiply
189,178,390.24x = 283,631,394.18 × 116,244,479.18 - Step 4: Simplify right side
189,178,390.24x = 32,970,583,695,551,388 - Step 5: Solve for x
x = 32,970,583,695,551,388/189,178,390.24 - Step 6: Final answer
x = 174,283,033.35
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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.