Finding the Fourth Proportional to 48,810,520.42, 73,239,663.75 and 19,663,147.78
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Solution
The fourth proportional to 48,810,520.42, 73,239,663.75 and 19,663,147.78 is: 29,504,342.90
Step by Step Solution
- Step 1: Write the proportion equation
48,810,520.42 : 73,239,663.75 = 19,663,147.78 : x - Step 2: Convert to fraction form
48,810,520.42/73,239,663.75 = 19,663,147.78/x - Step 3: Cross multiply
48,810,520.42x = 73,239,663.75 × 19,663,147.78 - Step 4: Simplify right side
48,810,520.42x = 1,440,122,331,673,759 - Step 5: Solve for x
x = 1,440,122,331,673,759/48,810,520.42 - Step 6: Final answer
x = 29,504,342.90
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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.