Finding the Fourth Proportional to 167,858,747.70, 231,639,639.48 and 96,343,400.58
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Solution
The fourth proportional to 167,858,747.70, 231,639,639.48 and 96,343,400.58 is: 132,950,774.88
Step by Step Solution
- Step 1: Write the proportion equation
167,858,747.70 : 231,639,639.48 = 96,343,400.58 : x - Step 2: Convert to fraction form
167,858,747.70/231,639,639.48 = 96,343,400.58/x - Step 3: Cross multiply
167,858,747.70x = 231,639,639.48 × 96,343,400.58 - Step 4: Simplify right side
167,858,747.70x = 22,316,950,576,628,420 - Step 5: Solve for x
x = 22,316,950,576,628,420/167,858,747.70 - Step 6: Final answer
x = 132,950,774.88
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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.