Finding the Fourth Proportional to 235,497,549.84, 324,980,678.97 and 129,649,908.43
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Solution
The fourth proportional to 235,497,549.84, 324,980,678.97 and 129,649,908.43 is: 178,913,603.55
Step by Step Solution
- Step 1: Write the proportion equation
235,497,549.84 : 324,980,678.97 = 129,649,908.43 : x - Step 2: Convert to fraction form
235,497,549.84/324,980,678.97 = 129,649,908.43/x - Step 3: Cross multiply
235,497,549.84x = 324,980,678.97 × 129,649,908.43 - Step 4: Simplify right side
235,497,549.84x = 42,133,715,269,979,736 - Step 5: Solve for x
x = 42,133,715,269,979,736/235,497,549.84 - Step 6: Final answer
x = 178,913,603.55
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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.