Finding the Fourth Proportional to 79,841,697.92, 119,711,055.40 and 31,324,455.08
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Solution
The fourth proportional to 79,841,697.92, 119,711,055.40 and 31,324,455.08 is: 46,966,480.86
Step by Step Solution
- Step 1: Write the proportion equation
79,841,697.92 : 119,711,055.40 = 31,324,455.08 : x - Step 2: Convert to fraction form
79,841,697.92/119,711,055.40 = 31,324,455.08/x - Step 3: Cross multiply
79,841,697.92x = 119,711,055.40 × 31,324,455.08 - Step 4: Simplify right side
79,841,697.92x = 3,749,883,577,456,691.50 - Step 5: Solve for x
x = 3,749,883,577,456,691.50/79,841,697.92 - Step 6: Final answer
x = 46,966,480.86
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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.