Finding the Fourth Proportional to 49,722,208.08, 68,618,196.11 and 28,532,868.09
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Solution
The fourth proportional to 49,722,208.08, 68,618,196.11 and 28,532,868.09 is: 39,376,246.82
Step by Step Solution
- Step 1: Write the proportion equation
49,722,208.08 : 68,618,196.11 = 28,532,868.09 : x - Step 2: Convert to fraction form
49,722,208.08/68,618,196.11 = 28,532,868.09/x - Step 3: Cross multiply
49,722,208.08x = 68,618,196.11 × 28,532,868.09 - Step 4: Simplify right side
49,722,208.08x = 1,957,873,937,833,897.75 - Step 5: Solve for x
x = 1,957,873,937,833,897.75/49,722,208.08 - Step 6: Final answer
x = 39,376,246.82
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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.