Finding the Fourth Proportional to 280,035,003.99, 420,052,505.99 and 75,562,751.19
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Solution
The fourth proportional to 280,035,003.99, 420,052,505.99 and 75,562,751.19 is: 113,344,126.79
Step by Step Solution
- Step 1: Write the proportion equation
280,035,003.99 : 420,052,505.99 = 75,562,751.19 : x - Step 2: Convert to fraction form
280,035,003.99/420,052,505.99 = 75,562,751.19/x - Step 3: Cross multiply
280,035,003.99x = 420,052,505.99 × 75,562,751.19 - Step 4: Simplify right side
280,035,003.99x = 31,740,322,998,481,152 - Step 5: Solve for x
x = 31,740,322,998,481,152/280,035,003.99 - Step 6: Final answer
x = 113,344,126.79
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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.