Finding the Fourth Proportional to 160,044,530.09, 220,861,675.64 and 86,705,672.09
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Solution
The fourth proportional to 160,044,530.09, 220,861,675.64 and 86,705,672.09 is: 119,653,948.90
Step by Step Solution
- Step 1: Write the proportion equation
160,044,530.09 : 220,861,675.64 = 86,705,672.09 : x - Step 2: Convert to fraction form
160,044,530.09/220,861,675.64 = 86,705,672.09/x - Step 3: Cross multiply
160,044,530.09x = 220,861,675.64 × 86,705,672.09 - Step 4: Simplify right side
160,044,530.09x = 19,149,960,025,289,780 - Step 5: Solve for x
x = 19,149,960,025,289,780/160,044,530.09 - Step 6: Final answer
x = 119,653,948.90
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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.