Finding the Fourth Proportional to 332,167,163.40, 498,248,120.70 and 86,523,323.40
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Solution
The fourth proportional to 332,167,163.40, 498,248,120.70 and 86,523,323.40 is: 129,784,301.49
Step by Step Solution
- Step 1: Write the proportion equation
332,167,163.40 : 498,248,120.70 = 86,523,323.40 : x - Step 2: Convert to fraction form
332,167,163.40/498,248,120.70 = 86,523,323.40/x - Step 3: Cross multiply
332,167,163.40x = 498,248,120.70 × 86,523,323.40 - Step 4: Simplify right side
332,167,163.40x = 43,110,083,280,768,336 - Step 5: Solve for x
x = 43,110,083,280,768,336/332,167,163.40 - Step 6: Final answer
x = 129,784,301.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.