Finding the Fourth Proportional to 319,433,976.99, 479,103,011.40 and 101,055,944.09
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Solution
The fourth proportional to 319,433,976.99, 479,103,011.40 and 101,055,944.09 is: 151,568,745.41
Step by Step Solution
- Step 1: Write the proportion equation
319,433,976.99 : 479,103,011.40 = 101,055,944.09 : x - Step 2: Convert to fraction form
319,433,976.99/479,103,011.40 = 101,055,944.09/x - Step 3: Cross multiply
319,433,976.99x = 479,103,011.40 × 101,055,944.09 - Step 4: Simplify right side
319,433,976.99x = 48,416,207,134,586,792 - Step 5: Solve for x
x = 48,416,207,134,586,792/319,433,976.99 - Step 6: Final answer
x = 151,568,745.41
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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.