Finding the Fourth Proportional to 316,084,201.74, 436,207,877.19 and 173,039,992.11
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Solution
The fourth proportional to 316,084,201.74, 436,207,877.19 and 173,039,992.11 is: 238,801,582.65
Step by Step Solution
- Step 1: Write the proportion equation
316,084,201.74 : 436,207,877.19 = 173,039,992.11 : x - Step 2: Convert to fraction form
316,084,201.74/436,207,877.19 = 173,039,992.11/x - Step 3: Cross multiply
316,084,201.74x = 436,207,877.19 × 173,039,992.11 - Step 4: Simplify right side
316,084,201.74x = 75,481,407,627,277,456 - Step 5: Solve for x
x = 75,481,407,627,277,456/316,084,201.74 - Step 6: Final answer
x = 238,801,582.65
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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.