Finding the Fourth Proportional to 49,736,277.30, 68,634,453.67 and 28,546,545.13
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Solution
The fourth proportional to 49,736,277.30, 68,634,453.67 and 28,546,545.13 is: 39,393,308.78
Step by Step Solution
- Step 1: Write the proportion equation
49,736,277.30 : 68,634,453.67 = 28,546,545.13 : x - Step 2: Convert to fraction form
49,736,277.30/68,634,453.67 = 28,546,545.13/x - Step 3: Cross multiply
49,736,277.30x = 68,634,453.67 × 28,546,545.13 - Step 4: Simplify right side
49,736,277.30x = 1,959,276,529,427,131.75 - Step 5: Solve for x
x = 1,959,276,529,427,131.75/49,736,277.30 - Step 6: Final answer
x = 39,393,308.78
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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.