Finding the Fourth Proportional to 166,698,669.09, 230,044,163.37 and 93,359,811.09
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Solution
The fourth proportional to 166,698,669.09, 230,044,163.37 and 93,359,811.09 is: 128,836,539.32
Step by Step Solution
- Step 1: Write the proportion equation
166,698,669.09 : 230,044,163.37 = 93,359,811.09 : x - Step 2: Convert to fraction form
166,698,669.09/230,044,163.37 = 93,359,811.09/x - Step 3: Cross multiply
166,698,669.09x = 230,044,163.37 × 93,359,811.09 - Step 4: Simplify right side
166,698,669.09x = 21,476,879,634,580,300 - Step 5: Solve for x
x = 21,476,879,634,580,300/166,698,669.09 - Step 6: Final answer
x = 128,836,539.32
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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.