Finding the Fourth Proportional to 134,752,987.60, 202,129,481.40 and 133,619,246.80
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Solution
The fourth proportional to 134,752,987.60, 202,129,481.40 and 133,619,246.80 is: 200,428,870.20
Step by Step Solution
- Step 1: Write the proportion equation
134,752,987.60 : 202,129,481.40 = 133,619,246.80 : x - Step 2: Convert to fraction form
134,752,987.60/202,129,481.40 = 133,619,246.80/x - Step 3: Cross multiply
134,752,987.60x = 202,129,481.40 × 133,619,246.80 - Step 4: Simplify right side
134,752,987.60x = 27,008,389,060,742,608 - Step 5: Solve for x
x = 27,008,389,060,742,608/134,752,987.60 - Step 6: Final answer
x = 200,428,870.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.