Finding the Fourth Proportional to 189,178,319.60, 283,631,288.43 and 116,244,408.68
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Solution
The fourth proportional to 189,178,319.60, 283,631,288.43 and 116,244,408.68 is: 174,282,927.75
Step by Step Solution
- Step 1: Write the proportion equation
189,178,319.60 : 283,631,288.43 = 116,244,408.68 : x - Step 2: Convert to fraction form
189,178,319.60/283,631,288.43 = 116,244,408.68/x - Step 3: Cross multiply
189,178,319.60x = 283,631,288.43 × 116,244,408.68 - Step 4: Simplify right side
189,178,319.60x = 32,970,551,406,691,880 - Step 5: Solve for x
x = 32,970,551,406,691,880/189,178,319.60 - Step 6: Final answer
x = 174,282,927.75
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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.