Finding the Fourth Proportional to 223,682,562.41, 308,522,927.88 and 149,305,622.99
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Solution
The fourth proportional to 223,682,562.41, 308,522,927.88 and 149,305,622.99 is: 205,935,623.49
Step by Step Solution
- Step 1: Write the proportion equation
223,682,562.41 : 308,522,927.88 = 149,305,622.99 : x - Step 2: Convert to fraction form
223,682,562.41/308,522,927.88 = 149,305,622.99/x - Step 3: Cross multiply
223,682,562.41x = 308,522,927.88 × 149,305,622.99 - Step 4: Simplify right side
223,682,562.41x = 46,064,207,952,279,632 - Step 5: Solve for x
x = 46,064,207,952,279,632/223,682,562.41 - Step 6: Final answer
x = 205,935,623.49
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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.