Finding the Fourth Proportional to 223,682,563.41, 308,522,929.26 and 149,305,623.99
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Solution
The fourth proportional to 223,682,563.41, 308,522,929.26 and 149,305,623.99 is: 205,935,624.87
Step by Step Solution
- Step 1: Write the proportion equation
223,682,563.41 : 308,522,929.26 = 149,305,623.99 : x - Step 2: Convert to fraction form
223,682,563.41/308,522,929.26 = 149,305,623.99/x - Step 3: Cross multiply
223,682,563.41x = 308,522,929.26 × 149,305,623.99 - Step 4: Simplify right side
223,682,563.41x = 46,064,208,468,386,928 - Step 5: Solve for x
x = 46,064,208,468,386,928/223,682,563.41 - Step 6: Final answer
x = 205,935,624.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.