Finding the Fourth Proportional to 257,059,829.07, 385,320,650.00 and 107,579,940.98
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Solution
The fourth proportional to 257,059,829.07, 385,320,650.00 and 107,579,940.98 is: 161,257,295.37
Step by Step Solution
- Step 1: Write the proportion equation
257,059,829.07 : 385,320,650.00 = 107,579,940.98 : x - Step 2: Convert to fraction form
257,059,829.07/385,320,650.00 = 107,579,940.98/x - Step 3: Cross multiply
257,059,829.07x = 385,320,650.00 × 107,579,940.98 - Step 4: Simplify right side
257,059,829.07x = 41,452,772,782,910,736 - Step 5: Solve for x
x = 41,452,772,782,910,736/257,059,829.07 - Step 6: Final answer
x = 161,257,295.37
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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.