Finding the Fourth Proportional to 202,133,613.13, 278,945,226.71 and 109,314,120.97
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Solution
The fourth proportional to 202,133,613.13, 278,945,226.71 and 109,314,120.97 is: 150,853,941.53
Step by Step Solution
- Step 1: Write the proportion equation
202,133,613.13 : 278,945,226.71 = 109,314,120.97 : x - Step 2: Convert to fraction form
202,133,613.13/278,945,226.71 = 109,314,120.97/x - Step 3: Cross multiply
202,133,613.13x = 278,945,226.71 × 109,314,120.97 - Step 4: Simplify right side
202,133,613.13x = 30,492,652,257,268,624 - Step 5: Solve for x
x = 30,492,652,257,268,624/202,133,613.13 - Step 6: Final answer
x = 150,853,941.53
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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.