Finding the Fourth Proportional to 157,771,393.88, 236,682,520.86 and 48,596,514.17
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Solution
The fourth proportional to 157,771,393.88, 236,682,520.86 and 48,596,514.17 is: 72,902,604.18
Step by Step Solution
- Step 1: Write the proportion equation
157,771,393.88 : 236,682,520.86 = 48,596,514.17 : x - Step 2: Convert to fraction form
157,771,393.88/236,682,520.86 = 48,596,514.17/x - Step 3: Cross multiply
157,771,393.88x = 236,682,520.86 × 48,596,514.17 - Step 4: Simplify right side
157,771,393.88x = 11,501,945,478,764,312 - Step 5: Solve for x
x = 11,501,945,478,764,312/157,771,393.88 - Step 6: Final answer
x = 72,902,604.18
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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.