Finding the Fourth Proportional to 86,182,330.35, 129,263,946.18 and 30,847,955.32
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Solution
The fourth proportional to 86,182,330.35, 129,263,946.18 and 30,847,955.32 is: 46,268,514.90
Step by Step Solution
- Step 1: Write the proportion equation
86,182,330.35 : 129,263,946.18 = 30,847,955.32 : x - Step 2: Convert to fraction form
86,182,330.35/129,263,946.18 = 30,847,955.32/x - Step 3: Cross multiply
86,182,330.35x = 129,263,946.18 × 30,847,955.32 - Step 4: Simplify right side
86,182,330.35x = 3,987,528,436,247,525 - Step 5: Solve for x
x = 3,987,528,436,247,525/86,182,330.35 - Step 6: Final answer
x = 46,268,514.90
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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.