Finding the Fourth Proportional to 167,229,516.18, 230,776,732.17 and 93,892,232.82
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Solution
The fourth proportional to 167,229,516.18, 230,776,732.17 and 93,892,232.82 is: 129,571,281.20
Step by Step Solution
- Step 1: Write the proportion equation
167,229,516.18 : 230,776,732.17 = 93,892,232.82 : x - Step 2: Convert to fraction form
167,229,516.18/230,776,732.17 = 93,892,232.82/x - Step 3: Cross multiply
167,229,516.18x = 230,776,732.17 × 93,892,232.82 - Step 4: Simplify right side
167,229,516.18x = 21,668,142,666,344,420 - Step 5: Solve for x
x = 21,668,142,666,344,420/167,229,516.18 - Step 6: Final answer
x = 129,571,281.20
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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.