Finding the Fourth Proportional to 316,084,206.74, 436,207,884.10 and 173,039,997.12
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Solution
The fourth proportional to 316,084,206.74, 436,207,884.10 and 173,039,997.12 is: 238,801,589.57
Step by Step Solution
- Step 1: Write the proportion equation
316,084,206.74 : 436,207,884.10 = 173,039,997.12 : x - Step 2: Convert to fraction form
316,084,206.74/436,207,884.10 = 173,039,997.12/x - Step 3: Cross multiply
316,084,206.74x = 436,207,884.10 × 173,039,997.12 - Step 4: Simplify right side
316,084,206.74x = 75,481,411,008,385,296 - Step 5: Solve for x
x = 75,481,411,008,385,296/316,084,206.74 - Step 6: Final answer
x = 238,801,589.57
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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.