Finding the Fourth Proportional to 132,391,399.68, 182,701,812.92 and 72,859,550.00
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Solution
The fourth proportional to 132,391,399.68, 182,701,812.92 and 72,859,550.00 is: 100,547,104.30
Step by Step Solution
- Step 1: Write the proportion equation
132,391,399.68 : 182,701,812.92 = 72,859,550.00 : x - Step 2: Convert to fraction form
132,391,399.68/182,701,812.92 = 72,859,550.00/x - Step 3: Cross multiply
132,391,399.68x = 182,701,812.92 × 72,859,550.00 - Step 4: Simplify right side
132,391,399.68x = 13,311,571,872,257,580 - Step 5: Solve for x
x = 13,311,571,872,257,580/132,391,399.68 - Step 6: Final answer
x = 100,547,104.30
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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.