Finding the Fourth Proportional to 313,268,249.07, 432,284,878.66 and 181,117,763.44
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Solution
The fourth proportional to 313,268,249.07, 432,284,878.66 and 181,117,763.44 is: 249,927,883.29
Step by Step Solution
- Step 1: Write the proportion equation
313,268,249.07 : 432,284,878.66 = 181,117,763.44 : x - Step 2: Convert to fraction form
313,268,249.07/432,284,878.66 = 181,117,763.44/x - Step 3: Cross multiply
313,268,249.07x = 432,284,878.66 × 181,117,763.44 - Step 4: Simplify right side
313,268,249.07x = 78,294,470,391,830,992 - Step 5: Solve for x
x = 78,294,470,391,830,992/313,268,249.07 - Step 6: Final answer
x = 249,927,883.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.