Finding the Fourth Proportional to 64,158,703.00, 96,199,621.91 and 20,420,568.94
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Solution
The fourth proportional to 64,158,703.00, 96,199,621.91 and 20,420,568.94 is: 30,618,621.00
Step by Step Solution
- Step 1: Write the proportion equation
64,158,703.00 : 96,199,621.91 = 20,420,568.94 : x - Step 2: Convert to fraction form
64,158,703.00/96,199,621.91 = 20,420,568.94/x - Step 3: Cross multiply
64,158,703.00x = 96,199,621.91 × 20,420,568.94 - Step 4: Simplify right side
64,158,703.00x = 1,964,451,010,631,988.50 - Step 5: Solve for x
x = 1,964,451,010,631,988.50/64,158,703.00 - Step 6: Final answer
x = 30,618,621.00
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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.