Finding the Fourth Proportional to 56,593,644.81, 84,908,412.61 and 20,201,229.43
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Solution
The fourth proportional to 56,593,644.81, 84,908,412.61 and 20,201,229.43 is: 30,308,249.79
Step by Step Solution
- Step 1: Write the proportion equation
56,593,644.81 : 84,908,412.61 = 20,201,229.43 : x - Step 2: Convert to fraction form
56,593,644.81/84,908,412.61 = 20,201,229.43/x - Step 3: Cross multiply
56,593,644.81x = 84,908,412.61 × 20,201,229.43 - Step 4: Simplify right side
56,593,644.81x = 1,715,254,323,408,941 - Step 5: Solve for x
x = 1,715,254,323,408,941/56,593,644.81 - Step 6: Final answer
x = 30,308,249.79
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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.