Finding the Fourth Proportional to 284,328,242.80, 426,492,364.20 and 131,273,234.80
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Solution
The fourth proportional to 284,328,242.80, 426,492,364.20 and 131,273,234.80 is: 196,909,852.20
Step by Step Solution
- Step 1: Write the proportion equation
284,328,242.80 : 426,492,364.20 = 131,273,234.80 : x - Step 2: Convert to fraction form
284,328,242.80/426,492,364.20 = 131,273,234.80/x - Step 3: Cross multiply
284,328,242.80x = 426,492,364.20 × 131,273,234.80 - Step 4: Simplify right side
284,328,242.80x = 55,987,032,266,033,712 - Step 5: Solve for x
x = 55,987,032,266,033,712/284,328,242.80 - Step 6: Final answer
x = 196,909,852.20
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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.