Finding the Fourth Proportional to 193,543,368.20, 289,916,921.10 and 133,027,425.80
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Solution
The fourth proportional to 193,543,368.20, 289,916,921.10 and 133,027,425.80 is: 199,267,492.70
Step by Step Solution
- Step 1: Write the proportion equation
193,543,368.20 : 289,916,921.10 = 133,027,425.80 : x - Step 2: Convert to fraction form
193,543,368.20/289,916,921.10 = 133,027,425.80/x - Step 3: Cross multiply
193,543,368.20x = 289,916,921.10 × 133,027,425.80 - Step 4: Simplify right side
193,543,368.20x = 38,566,901,709,794,704 - Step 5: Solve for x
x = 38,566,901,709,794,704/193,543,368.20 - Step 6: Final answer
x = 199,267,492.70
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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.