Finding the Fourth Proportional to 361,992,204.23, 542,993,351.47 and 103,207,424.81
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Solution
The fourth proportional to 361,992,204.23, 542,993,351.47 and 103,207,424.81 is: 154,812,575.62
Step by Step Solution
- Step 1: Write the proportion equation
361,992,204.23 : 542,993,351.47 = 103,207,424.81 : x - Step 2: Convert to fraction form
361,992,204.23/542,993,351.47 = 103,207,424.81/x - Step 3: Cross multiply
361,992,204.23x = 542,993,351.47 × 103,207,424.81 - Step 4: Simplify right side
361,992,204.23x = 56,040,945,491,196,944 - Step 5: Solve for x
x = 56,040,945,491,196,944/361,992,204.23 - Step 6: Final answer
x = 154,812,575.62
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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.