Finding the Fourth Proportional to 136,746,091.82, 188,702,440.34 and 74,854,575.02
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Solution
The fourth proportional to 136,746,091.82, 188,702,440.34 and 74,854,575.02 is: 103,295,390.67
Step by Step Solution
- Step 1: Write the proportion equation
136,746,091.82 : 188,702,440.34 = 74,854,575.02 : x - Step 2: Convert to fraction form
136,746,091.82/188,702,440.34 = 74,854,575.02/x - Step 3: Cross multiply
136,746,091.82x = 188,702,440.34 × 74,854,575.02 - Step 4: Simplify right side
136,746,091.82x = 14,125,240,976,887,604 - Step 5: Solve for x
x = 14,125,240,976,887,604/136,746,091.82 - Step 6: Final answer
x = 103,295,390.67
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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.