Finding the Fourth Proportional to 156,342,644.07, 234,361,463.80 and 74,439,515.94
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Solution
The fourth proportional to 156,342,644.07, 234,361,463.80 and 74,439,515.94 is: 111,586,662.90
Step by Step Solution
- Step 1: Write the proportion equation
156,342,644.07 : 234,361,463.80 = 74,439,515.94 : x - Step 2: Convert to fraction form
156,342,644.07/234,361,463.80 = 74,439,515.94/x - Step 3: Cross multiply
156,342,644.07x = 234,361,463.80 × 74,439,515.94 - Step 4: Simplify right side
156,342,644.07x = 17,445,753,920,261,834 - Step 5: Solve for x
x = 17,445,753,920,261,834/156,342,644.07 - Step 6: Final answer
x = 111,586,662.90
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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.