Finding the Fourth Proportional to 232,964,395.38, 321,497,594.66 and 128,549,190.78
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Solution
The fourth proportional to 232,964,395.38, 321,497,594.66 and 128,549,190.78 is: 177,401,596.34
Step by Step Solution
- Step 1: Write the proportion equation
232,964,395.38 : 321,497,594.66 = 128,549,190.78 : x - Step 2: Convert to fraction form
232,964,395.38/321,497,594.66 = 128,549,190.78/x - Step 3: Cross multiply
232,964,395.38x = 321,497,594.66 × 128,549,190.78 - Step 4: Simplify right side
232,964,395.38x = 41,328,255,631,259,456 - Step 5: Solve for x
x = 41,328,255,631,259,456/232,964,395.38 - Step 6: Final answer
x = 177,401,596.34
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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.