Finding the Fourth Proportional to 49,823,475.86, 68,758,093.17 and 28,913,889.62
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Solution
The fourth proportional to 49,823,475.86, 68,758,093.17 and 28,913,889.62 is: 39,902,152.19
Step by Step Solution
- Step 1: Write the proportion equation
49,823,475.86 : 68,758,093.17 = 28,913,889.62 : x - Step 2: Convert to fraction form
49,823,475.86/68,758,093.17 = 28,913,889.62/x - Step 3: Cross multiply
49,823,475.86x = 68,758,093.17 × 28,913,889.62 - Step 4: Simplify right side
49,823,475.86x = 1,988,063,916,399,056 - Step 5: Solve for x
x = 1,988,063,916,399,056/49,823,475.86 - Step 6: Final answer
x = 39,902,152.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.