Finding the Fourth Proportional to 192,720,852.55, 265,955,113.97 and 104,614,910.07
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Solution
The fourth proportional to 192,720,852.55, 265,955,113.97 and 104,614,910.07 is: 144,368,759.07
Step by Step Solution
- Step 1: Write the proportion equation
192,720,852.55 : 265,955,113.97 = 104,614,910.07 : x - Step 2: Convert to fraction form
192,720,852.55/265,955,113.97 = 104,614,910.07/x - Step 3: Cross multiply
192,720,852.55x = 265,955,113.97 × 104,614,910.07 - Step 4: Simplify right side
192,720,852.55x = 27,822,870,329,500,048 - Step 5: Solve for x
x = 27,822,870,329,500,048/192,720,852.55 - Step 6: Final answer
x = 144,368,759.07
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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.