Finding the Fourth Proportional to 178,278,316.20, 267,417,474.30 and 122,795,875.80
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Solution
The fourth proportional to 178,278,316.20, 267,417,474.30 and 122,795,875.80 is: 184,193,813.70
Step by Step Solution
- Step 1: Write the proportion equation
178,278,316.20 : 267,417,474.30 = 122,795,875.80 : x - Step 2: Convert to fraction form
178,278,316.20/267,417,474.30 = 122,795,875.80/x - Step 3: Cross multiply
178,278,316.20x = 267,417,474.30 × 122,795,875.80 - Step 4: Simplify right side
178,278,316.20x = 32,837,762,960,892,492 - Step 5: Solve for x
x = 32,837,762,960,892,492/178,278,316.20 - Step 6: Final answer
x = 184,193,813.70
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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.