Finding the Fourth Proportional to 71,566,158.56, 107,349,221.43 and 20,448,177.98
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Solution
The fourth proportional to 71,566,158.56, 107,349,221.43 and 20,448,177.98 is: 30,672,262.28
Step by Step Solution
- Step 1: Write the proportion equation
71,566,158.56 : 107,349,221.43 = 20,448,177.98 : x - Step 2: Convert to fraction form
71,566,158.56/107,349,221.43 = 20,448,177.98/x - Step 3: Cross multiply
71,566,158.56x = 107,349,221.43 × 20,448,177.98 - Step 4: Simplify right side
71,566,158.56x = 2,195,095,985,278,324.25 - Step 5: Solve for x
x = 2,195,095,985,278,324.25/71,566,158.56 - Step 6: Final answer
x = 30,672,262.28
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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.