Finding the Fourth Proportional to 80,879,117.12, 121,366,614.72 and 29,796,979.04
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Solution
The fourth proportional to 80,879,117.12, 121,366,614.72 and 29,796,979.04 is: 44,713,129.96
Step by Step Solution
- Step 1: Write the proportion equation
80,879,117.12 : 121,366,614.72 = 29,796,979.04 : x - Step 2: Convert to fraction form
80,879,117.12/121,366,614.72 = 29,796,979.04/x - Step 3: Cross multiply
80,879,117.12x = 121,366,614.72 × 29,796,979.04 - Step 4: Simplify right side
80,879,117.12x = 3,616,358,474,967,595.50 - Step 5: Solve for x
x = 3,616,358,474,967,595.50/80,879,117.12 - Step 6: Final answer
x = 44,713,129.96
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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.