Finding the Fourth Proportional to 64,784,409.08, 88,926,598.96 and 57,277,804.95
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Solution
The fourth proportional to 64,784,409.08, 88,926,598.96 and 57,277,804.95 is: 78,622,626.38
Step by Step Solution
- Step 1: Write the proportion equation
64,784,409.08 : 88,926,598.96 = 57,277,804.95 : x - Step 2: Convert to fraction form
64,784,409.08/88,926,598.96 = 57,277,804.95/x - Step 3: Cross multiply
64,784,409.08x = 88,926,598.96 × 57,277,804.95 - Step 4: Simplify right side
64,784,409.08x = 5,093,520,389,954,558 - Step 5: Solve for x
x = 5,093,520,389,954,558/64,784,409.08 - Step 6: Final answer
x = 78,622,626.38
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.