Finding the Fourth Proportional to 77,025,858.37, 106,307,093.08 and 48,770,857.53
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Solution
The fourth proportional to 77,025,858.37, 106,307,093.08 and 48,770,857.53 is: 67,311,006.99
Step by Step Solution
- Step 1: Write the proportion equation
77,025,858.37 : 106,307,093.08 = 48,770,857.53 : x - Step 2: Convert to fraction form
77,025,858.37/106,307,093.08 = 48,770,857.53/x - Step 3: Cross multiply
77,025,858.37x = 106,307,093.08 × 48,770,857.53 - Step 4: Simplify right side
77,025,858.37x = 5,184,688,091,033,129 - Step 5: Solve for x
x = 5,184,688,091,033,129/77,025,858.37 - Step 6: Final answer
x = 67,311,006.99
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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.