Finding the Fourth Proportional to 293,416,820.40, 440,125,230.60 and 157,367,924.40
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Solution
The fourth proportional to 293,416,820.40, 440,125,230.60 and 157,367,924.40 is: 236,051,886.60
Step by Step Solution
- Step 1: Write the proportion equation
293,416,820.40 : 440,125,230.60 = 157,367,924.40 : x - Step 2: Convert to fraction form
293,416,820.40/440,125,230.60 = 157,367,924.40/x - Step 3: Cross multiply
293,416,820.40x = 440,125,230.60 × 157,367,924.40 - Step 4: Simplify right side
293,416,820.40x = 69,261,594,015,593,376 - Step 5: Solve for x
x = 69,261,594,015,593,376/293,416,820.40 - Step 6: Final answer
x = 236,051,886.60
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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.