Finding the Fourth Proportional to 239,321,368.08, 330,263,501.74 and 129,313,081.08
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Solution
The fourth proportional to 239,321,368.08, 330,263,501.74 and 129,313,081.08 is: 178,452,059.34
Step by Step Solution
- Step 1: Write the proportion equation
239,321,368.08 : 330,263,501.74 = 129,313,081.08 : x - Step 2: Convert to fraction form
239,321,368.08/330,263,501.74 = 129,313,081.08/x - Step 3: Cross multiply
239,321,368.08x = 330,263,501.74 × 129,313,081.08 - Step 4: Simplify right side
239,321,368.08x = 42,707,390,978,389,464 - Step 5: Solve for x
x = 42,707,390,978,389,464/239,321,368.08 - Step 6: Final answer
x = 178,452,059.34
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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.