Finding the Fourth Proportional to 191,609,400.99, 287,409,976.70 and 53,431,329.27
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Solution
The fourth proportional to 191,609,400.99, 287,409,976.70 and 53,431,329.27 is: 80,145,843.68
Step by Step Solution
- Step 1: Write the proportion equation
191,609,400.99 : 287,409,976.70 = 53,431,329.27 : x - Step 2: Convert to fraction form
191,609,400.99/287,409,976.70 = 53,431,329.27/x - Step 3: Cross multiply
191,609,400.99x = 287,409,976.70 × 53,431,329.27 - Step 4: Simplify right side
191,609,400.99x = 15,356,697,099,452,822 - Step 5: Solve for x
x = 15,356,697,099,452,822/191,609,400.99 - Step 6: Final answer
x = 80,145,843.68
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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.