Finding the Fourth Proportional to 166,698,672.09, 230,044,167.51 and 93,359,814.09
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Solution
The fourth proportional to 166,698,672.09, 230,044,167.51 and 93,359,814.09 is: 128,836,543.46
Step by Step Solution
- Step 1: Write the proportion equation
166,698,672.09 : 230,044,167.51 = 93,359,814.09 : x - Step 2: Convert to fraction form
166,698,672.09/230,044,167.51 = 93,359,814.09/x - Step 3: Cross multiply
166,698,672.09x = 230,044,167.51 × 93,359,814.09 - Step 4: Simplify right side
166,698,672.09x = 21,476,880,711,222,420 - Step 5: Solve for x
x = 21,476,880,711,222,420/166,698,672.09 - Step 6: Final answer
x = 128,836,543.46
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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.