Finding the Fourth Proportional to 155,289,715.20, 232,934,572.80 and 119,457,907.20
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Solution
The fourth proportional to 155,289,715.20, 232,934,572.80 and 119,457,907.20 is: 179,186,860.80
Step by Step Solution
- Step 1: Write the proportion equation
155,289,715.20 : 232,934,572.80 = 119,457,907.20 : x - Step 2: Convert to fraction form
155,289,715.20/232,934,572.80 = 119,457,907.20/x - Step 3: Cross multiply
155,289,715.20x = 232,934,572.80 × 119,457,907.20 - Step 4: Simplify right side
155,289,715.20x = 27,825,876,581,214,048 - Step 5: Solve for x
x = 27,825,876,581,214,048/155,289,715.20 - Step 6: Final answer
x = 179,186,860.80
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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.