Finding the Fourth Proportional to 126,423,879.24, 189,635,892.12 and 35,547,468.24
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Solution
The fourth proportional to 126,423,879.24, 189,635,892.12 and 35,547,468.24 is: 53,321,222.96
Step by Step Solution
- Step 1: Write the proportion equation
126,423,879.24 : 189,635,892.12 = 35,547,468.24 : x - Step 2: Convert to fraction form
126,423,879.24/189,635,892.12 = 35,547,468.24/x - Step 3: Cross multiply
126,423,879.24x = 189,635,892.12 × 35,547,468.24 - Step 4: Simplify right side
126,423,879.24x = 6,741,075,852,299,767 - Step 5: Solve for x
x = 6,741,075,852,299,767/126,423,879.24 - Step 6: Final answer
x = 53,321,222.96
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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.