Finding the Fourth Proportional to 189,045,822.32, 283,543,534.84 and 52,719,789.68
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Solution
The fourth proportional to 189,045,822.32, 283,543,534.84 and 52,719,789.68 is: 79,072,657.30
Step by Step Solution
- Step 1: Write the proportion equation
189,045,822.32 : 283,543,534.84 = 52,719,789.68 : x - Step 2: Convert to fraction form
189,045,822.32/283,543,534.84 = 52,719,789.68/x - Step 3: Cross multiply
189,045,822.32x = 283,543,534.84 × 52,719,789.68 - Step 4: Simplify right side
189,045,822.32x = 14,948,355,521,888,550 - Step 5: Solve for x
x = 14,948,355,521,888,550/189,045,822.32 - Step 6: Final answer
x = 79,072,657.30
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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.