Finding the Fourth Proportional to 319,719,331.08, 441,223,375.50 and 195,936,103.08
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Solution
The fourth proportional to 319,719,331.08, 441,223,375.50 and 195,936,103.08 is: 270,398,378.76
Step by Step Solution
- Step 1: Write the proportion equation
319,719,331.08 : 441,223,375.50 = 195,936,103.08 : x - Step 2: Convert to fraction form
319,719,331.08/441,223,375.50 = 195,936,103.08/x - Step 3: Cross multiply
319,719,331.08x = 441,223,375.50 × 195,936,103.08 - Step 4: Simplify right side
319,719,331.08x = 86,451,588,783,273,552 - Step 5: Solve for x
x = 86,451,588,783,273,552/319,719,331.08 - Step 6: Final answer
x = 270,398,378.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.