Finding the Fourth Proportional to 178,146,173.20, 267,219,259.80 and 160,927,484.80
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Solution
The fourth proportional to 178,146,173.20, 267,219,259.80 and 160,927,484.80 is: 241,391,227.20
Step by Step Solution
- Step 1: Write the proportion equation
178,146,173.20 : 267,219,259.80 = 160,927,484.80 : x - Step 2: Convert to fraction form
178,146,173.20/267,219,259.80 = 160,927,484.80/x - Step 3: Cross multiply
178,146,173.20x = 267,219,259.80 × 160,927,484.80 - Step 4: Simplify right side
178,146,173.20x = 43,002,923,369,731,760 - Step 5: Solve for x
x = 43,002,923,369,731,760/178,146,173.20 - Step 6: Final answer
x = 241,391,227.20
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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.