Finding the Fourth Proportional to 306,466,374.06, 422,932,527.72 and 167,246,103.24
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Solution
The fourth proportional to 306,466,374.06, 422,932,527.72 and 167,246,103.24 is: 230,804,496.62
Step by Step Solution
- Step 1: Write the proportion equation
306,466,374.06 : 422,932,527.72 = 167,246,103.24 : x - Step 2: Convert to fraction form
306,466,374.06/422,932,527.72 = 167,246,103.24/x - Step 3: Cross multiply
306,466,374.06x = 422,932,527.72 × 167,246,103.24 - Step 4: Simplify right side
306,466,374.06x = 70,733,817,194,613,288 - Step 5: Solve for x
x = 70,733,817,194,613,288/306,466,374.06 - Step 6: Final answer
x = 230,804,496.62
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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.