Finding the Fourth Proportional to 62,869,543.10, 86,713,202.49 and 55,514,399.66
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Solution
The fourth proportional to 62,869,543.10, 86,713,202.49 and 55,514,399.66 is: 76,568,575.84
Step by Step Solution
- Step 1: Write the proportion equation
62,869,543.10 : 86,713,202.49 = 55,514,399.66 : x - Step 2: Convert to fraction form
62,869,543.10/86,713,202.49 = 55,514,399.66/x - Step 3: Cross multiply
62,869,543.10x = 86,713,202.49 × 55,514,399.66 - Step 4: Simplify right side
62,869,543.10x = 4,813,831,378,828,367 - Step 5: Solve for x
x = 4,813,831,378,828,367/62,869,543.10 - Step 6: Final answer
x = 76,568,575.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.