Finding the Fourth Proportional to 178,848,000.20, 268,272,000.30 and 63,962,265.80
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Solution
The fourth proportional to 178,848,000.20, 268,272,000.30 and 63,962,265.80 is: 95,943,398.70
Step by Step Solution
- Step 1: Write the proportion equation
178,848,000.20 : 268,272,000.30 = 63,962,265.80 : x - Step 2: Convert to fraction form
178,848,000.20/268,272,000.30 = 63,962,265.80/x - Step 3: Cross multiply
178,848,000.20x = 268,272,000.30 × 63,962,265.80 - Step 4: Simplify right side
178,848,000.20x = 17,159,284,989,886,280 - Step 5: Solve for x
x = 17,159,284,989,886,280/178,848,000.20 - Step 6: Final answer
x = 95,943,398.70
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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.