Finding the Fourth Proportional to 230,969,699.19, 318,631,342.14 and 204,534,992.79
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Solution
The fourth proportional to 230,969,699.19, 318,631,342.14 and 204,534,992.79 is: 282,163,675.56
Step by Step Solution
- Step 1: Write the proportion equation
230,969,699.19 : 318,631,342.14 = 204,534,992.79 : x - Step 2: Convert to fraction form
230,969,699.19/318,631,342.14 = 204,534,992.79/x - Step 3: Cross multiply
230,969,699.19x = 318,631,342.14 × 204,534,992.79 - Step 4: Simplify right side
230,969,699.19x = 65,171,259,267,272,920 - Step 5: Solve for x
x = 65,171,259,267,272,920/230,969,699.19 - Step 6: Final answer
x = 282,163,675.56
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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.