Finding the Fourth Proportional to 95,721,323.04, 132,156,517.74 and 78,122,267.49
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Solution
The fourth proportional to 95,721,323.04, 132,156,517.74 and 78,122,267.49 is: 107,858,588.89
Step by Step Solution
- Step 1: Write the proportion equation
95,721,323.04 : 132,156,517.74 = 78,122,267.49 : x - Step 2: Convert to fraction form
95,721,323.04/132,156,517.74 = 78,122,267.49/x - Step 3: Cross multiply
95,721,323.04x = 132,156,517.74 × 78,122,267.49 - Step 4: Simplify right side
95,721,323.04x = 10,324,366,829,431,210 - Step 5: Solve for x
x = 10,324,366,829,431,210/95,721,323.04 - Step 6: Final answer
x = 107,858,588.89
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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.