Finding the Fourth Proportional to 125,396,303.29, 188,019,949.52 and 47,678,890.41
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Solution
The fourth proportional to 125,396,303.29, 188,019,949.52 and 47,678,890.41 is: 71,490,006.75
Step by Step Solution
- Step 1: Write the proportion equation
125,396,303.29 : 188,019,949.52 = 47,678,890.41 : x - Step 2: Convert to fraction form
125,396,303.29/188,019,949.52 = 47,678,890.41/x - Step 3: Cross multiply
125,396,303.29x = 188,019,949.52 × 47,678,890.41 - Step 4: Simplify right side
125,396,303.29x = 8,964,582,568,177,009 - Step 5: Solve for x
x = 8,964,582,568,177,009/125,396,303.29 - Step 6: Final answer
x = 71,490,006.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.