Finding the Fourth Proportional to 164,268,213.40, 246,402,320.10 and 99,644,987.80
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Solution
The fourth proportional to 164,268,213.40, 246,402,320.10 and 99,644,987.80 is: 149,467,481.70
Step by Step Solution
- Step 1: Write the proportion equation
164,268,213.40 : 246,402,320.10 = 99,644,987.80 : x - Step 2: Convert to fraction form
164,268,213.40/246,402,320.10 = 99,644,987.80/x - Step 3: Cross multiply
164,268,213.40x = 246,402,320.10 × 99,644,987.80 - Step 4: Simplify right side
164,268,213.40x = 24,552,756,180,256,192 - Step 5: Solve for x
x = 24,552,756,180,256,192/164,268,213.40 - Step 6: Final answer
x = 149,467,481.70
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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.