Finding the Fourth Proportional to 293,414,911.20, 440,122,366.80 and 157,366,015.20
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Solution
The fourth proportional to 293,414,911.20, 440,122,366.80 and 157,366,015.20 is: 236,049,022.80
Step by Step Solution
- Step 1: Write the proportion equation
293,414,911.20 : 440,122,366.80 = 157,366,015.20 : x - Step 2: Convert to fraction form
293,414,911.20/440,122,366.80 = 157,366,015.20/x - Step 3: Cross multiply
293,414,911.20x = 440,122,366.80 × 157,366,015.20 - Step 4: Simplify right side
293,414,911.20x = 69,260,303,063,708,768 - Step 5: Solve for x
x = 69,260,303,063,708,768/293,414,911.20 - Step 6: Final answer
x = 236,049,022.80
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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.