Finding the Fourth Proportional to 173,877,636.90, 260,816,455.35 and 130,512,051.30
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Solution
The fourth proportional to 173,877,636.90, 260,816,455.35 and 130,512,051.30 is: 195,768,076.95
Step by Step Solution
- Step 1: Write the proportion equation
173,877,636.90 : 260,816,455.35 = 130,512,051.30 : x - Step 2: Convert to fraction form
173,877,636.90/260,816,455.35 = 130,512,051.30/x - Step 3: Cross multiply
173,877,636.90x = 260,816,455.35 × 130,512,051.30 - Step 4: Simplify right side
173,877,636.90x = 34,039,690,600,523,356 - Step 5: Solve for x
x = 34,039,690,600,523,356/173,877,636.90 - Step 6: Final answer
x = 195,768,076.95
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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.