Finding the Fourth Proportional to 306,332,290.65, 422,738,048.58 and 167,103,052.41
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Solution
The fourth proportional to 306,332,290.65, 422,738,048.58 and 167,103,052.41 is: 230,601,932.75
Step by Step Solution
- Step 1: Write the proportion equation
306,332,290.65 : 422,738,048.58 = 167,103,052.41 : x - Step 2: Convert to fraction form
306,332,290.65/422,738,048.58 = 167,103,052.41/x - Step 3: Cross multiply
306,332,290.65x = 422,738,048.58 × 167,103,052.41 - Step 4: Simplify right side
306,332,290.65x = 70,640,818,287,564,864 - Step 5: Solve for x
x = 70,640,818,287,564,864/306,332,290.65 - Step 6: Final answer
x = 230,601,932.75
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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.