Finding the Fourth Proportional to 189,180,424.72, 283,634,446.47 and 116,246,517.67
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Solution
The fourth proportional to 189,180,424.72, 283,634,446.47 and 116,246,517.67 is: 174,286,090.87
Step by Step Solution
- Step 1: Write the proportion equation
189,180,424.72 : 283,634,446.47 = 116,246,517.67 : x - Step 2: Convert to fraction form
189,180,424.72/283,634,446.47 = 116,246,517.67/x - Step 3: Cross multiply
189,180,424.72x = 283,634,446.47 × 116,246,517.67 - Step 4: Simplify right side
189,180,424.72x = 32,971,516,693,395,528 - Step 5: Solve for x
x = 32,971,516,693,395,528/189,180,424.72 - Step 6: Final answer
x = 174,286,090.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.