Finding the Fourth Proportional to 49,664,833.06, 68,543,995.98 and 28,479,903.23
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Solution
The fourth proportional to 49,664,833.06, 68,543,995.98 and 28,479,903.23 is: 39,306,008.95
Step by Step Solution
- Step 1: Write the proportion equation
49,664,833.06 : 68,543,995.98 = 28,479,903.23 : x - Step 2: Convert to fraction form
49,664,833.06/68,543,995.98 = 28,479,903.23/x - Step 3: Cross multiply
49,664,833.06x = 68,543,995.98 × 28,479,903.23 - Step 4: Simplify right side
49,664,833.06x = 1,952,126,372,365,509.25 - Step 5: Solve for x
x = 1,952,126,372,365,509.25/49,664,833.06 - Step 6: Final answer
x = 39,306,008.95
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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.