Finding the Fourth Proportional to 232,964,390.74, 321,497,588.28 and 128,549,186.14
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Solution
The fourth proportional to 232,964,390.74, 321,497,588.28 and 128,549,186.14 is: 177,401,589.95
Step by Step Solution
- Step 1: Write the proportion equation
232,964,390.74 : 321,497,588.28 = 128,549,186.14 : x - Step 2: Convert to fraction form
232,964,390.74/321,497,588.28 = 128,549,186.14/x - Step 3: Cross multiply
232,964,390.74x = 321,497,588.28 × 128,549,186.14 - Step 4: Simplify right side
232,964,390.74x = 41,328,253,319,366,800 - Step 5: Solve for x
x = 41,328,253,319,366,800/232,964,390.74 - Step 6: Final answer
x = 177,401,589.95
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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.