Finding the Fourth Proportional to 49,823,475.36, 68,758,092.48 and 28,913,889.12
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Solution
The fourth proportional to 49,823,475.36, 68,758,092.48 and 28,913,889.12 is: 39,902,151.50
Step by Step Solution
- Step 1: Write the proportion equation
49,823,475.36 : 68,758,092.48 = 28,913,889.12 : x - Step 2: Convert to fraction form
49,823,475.36/68,758,092.48 = 28,913,889.12/x - Step 3: Cross multiply
49,823,475.36x = 68,758,092.48 × 28,913,889.12 - Step 4: Simplify right side
49,823,475.36x = 1,988,063,862,069,426 - Step 5: Solve for x
x = 1,988,063,862,069,426/49,823,475.36 - Step 6: Final answer
x = 39,902,151.50
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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.