Finding the Fourth Proportional to 134,752,971.60, 202,129,457.40 and 133,619,230.80
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Solution
The fourth proportional to 134,752,971.60, 202,129,457.40 and 133,619,230.80 is: 200,428,846.20
Step by Step Solution
- Step 1: Write the proportion equation
134,752,971.60 : 202,129,457.40 = 133,619,230.80 : x - Step 2: Convert to fraction form
134,752,971.60/202,129,457.40 = 133,619,230.80/x - Step 3: Cross multiply
134,752,971.60x = 202,129,457.40 × 133,619,230.80 - Step 4: Simplify right side
134,752,971.60x = 27,008,382,619,809,368 - Step 5: Solve for x
x = 27,008,382,619,809,368/134,752,971.60 - Step 6: Final answer
x = 200,428,846.20
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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.