Finding the Fourth Proportional to 132,999,404.99, 199,518,147.24 and 40,890,877.12
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Solution
The fourth proportional to 132,999,404.99, 199,518,147.24 and 40,890,877.12 is: 61,342,169.48
Step by Step Solution
- Step 1: Write the proportion equation
132,999,404.99 : 199,518,147.24 = 40,890,877.12 : x - Step 2: Convert to fraction form
132,999,404.99/199,518,147.24 = 40,890,877.12/x - Step 3: Cross multiply
132,999,404.99x = 199,518,147.24 × 40,890,877.12 - Step 4: Simplify right side
132,999,404.99x = 8,158,472,042,000,907 - Step 5: Solve for x
x = 8,158,472,042,000,907/132,999,404.99 - Step 6: Final answer
x = 61,342,169.48
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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.