Finding the Fourth Proportional to 117,475,596.03, 162,106,833.12 and 67,919,163.92
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Solution
The fourth proportional to 117,475,596.03, 162,106,833.12 and 67,919,163.92 is: 93,722,959.85
Step by Step Solution
- Step 1: Write the proportion equation
117,475,596.03 : 162,106,833.12 = 67,919,163.92 : x - Step 2: Convert to fraction form
117,475,596.03/162,106,833.12 = 67,919,163.92/x - Step 3: Cross multiply
117,475,596.03x = 162,106,833.12 × 67,919,163.92 - Step 4: Simplify right side
117,475,596.03x = 11,010,160,570,418,832 - Step 5: Solve for x
x = 11,010,160,570,418,832/117,475,596.03 - Step 6: Final answer
x = 93,722,959.85
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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.