Finding the Fourth Proportional to 128,070,097.30, 177,034,596.87 and 114,268,246.48
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Solution
The fourth proportional to 128,070,097.30, 177,034,596.87 and 114,268,246.48 is: 157,955,942.70
Step by Step Solution
- Step 1: Write the proportion equation
128,070,097.30 : 177,034,596.87 = 114,268,246.48 : x - Step 2: Convert to fraction form
128,070,097.30/177,034,596.87 = 114,268,246.48/x - Step 3: Cross multiply
128,070,097.30x = 177,034,596.87 × 114,268,246.48 - Step 4: Simplify right side
128,070,097.30x = 20,229,432,950,628,596 - Step 5: Solve for x
x = 20,229,432,950,628,596/128,070,097.30 - Step 6: Final answer
x = 157,955,942.70
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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.