Finding the Fourth Proportional to 232,964,391.74, 321,497,589.66 and 128,549,187.14
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Solution
The fourth proportional to 232,964,391.74, 321,497,589.66 and 128,549,187.14 is: 177,401,591.33
Step by Step Solution
- Step 1: Write the proportion equation
232,964,391.74 : 321,497,589.66 = 128,549,187.14 : x - Step 2: Convert to fraction form
232,964,391.74/321,497,589.66 = 128,549,187.14/x - Step 3: Cross multiply
232,964,391.74x = 321,497,589.66 × 128,549,187.14 - Step 4: Simplify right side
232,964,391.74x = 41,328,253,818,262,272 - Step 5: Solve for x
x = 41,328,253,818,262,272/232,964,391.74 - Step 6: Final answer
x = 177,401,591.33
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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.