Finding the Fourth Proportional to 193,543,370.20, 289,916,924.10 and 133,027,427.80
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Solution
The fourth proportional to 193,543,370.20, 289,916,924.10 and 133,027,427.80 is: 199,267,495.70
Step by Step Solution
- Step 1: Write the proportion equation
193,543,370.20 : 289,916,924.10 = 133,027,427.80 : x - Step 2: Convert to fraction form
193,543,370.20/289,916,924.10 = 133,027,427.80/x - Step 3: Cross multiply
193,543,370.20x = 289,916,924.10 × 133,027,427.80 - Step 4: Simplify right side
193,543,370.20x = 38,566,902,688,710,832 - Step 5: Solve for x
x = 38,566,902,688,710,832/193,543,370.20 - Step 6: Final answer
x = 199,267,495.70
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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.