Finding the Fourth Proportional to 128,662,849.06, 177,556,103.69 and 69,925,517.54
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Solution
The fourth proportional to 128,662,849.06, 177,556,103.69 and 69,925,517.54 is: 96,497,959.85
Step by Step Solution
- Step 1: Write the proportion equation
128,662,849.06 : 177,556,103.69 = 69,925,517.54 : x - Step 2: Convert to fraction form
128,662,849.06/177,556,103.69 = 69,925,517.54/x - Step 3: Cross multiply
128,662,849.06x = 177,556,103.69 × 69,925,517.54 - Step 4: Simplify right side
128,662,849.06x = 12,415,702,442,909,154 - Step 5: Solve for x
x = 12,415,702,442,909,154/128,662,849.06 - Step 6: Final answer
x = 96,497,959.85
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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.