Finding the Fourth Proportional to 235,004,469.36, 324,299,718.08 and 130,579,855.80
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Solution
The fourth proportional to 235,004,469.36, 324,299,718.08 and 130,579,855.80 is: 180,196,617.27
Step by Step Solution
- Step 1: Write the proportion equation
235,004,469.36 : 324,299,718.08 = 130,579,855.80 : x - Step 2: Convert to fraction form
235,004,469.36/324,299,718.08 = 130,579,855.80/x - Step 3: Cross multiply
235,004,469.36x = 324,299,718.08 × 130,579,855.80 - Step 4: Simplify right side
235,004,469.36x = 42,347,010,422,867,048 - Step 5: Solve for x
x = 42,347,010,422,867,048/235,004,469.36 - Step 6: Final answer
x = 180,196,617.27
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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.