Finding the Fourth Proportional to 74,734,558.07, 103,133,754.36 and 41,694,812.30
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Solution
The fourth proportional to 74,734,558.07, 103,133,754.36 and 41,694,812.30 is: 57,538,876.81
Step by Step Solution
- Step 1: Write the proportion equation
74,734,558.07 : 103,133,754.36 = 41,694,812.30 : x - Step 2: Convert to fraction form
74,734,558.07/103,133,754.36 = 41,694,812.30/x - Step 3: Cross multiply
74,734,558.07x = 103,133,754.36 × 41,694,812.30 - Step 4: Simplify right side
74,734,558.07x = 4,300,142,530,092,341 - Step 5: Solve for x
x = 4,300,142,530,092,341/74,734,558.07 - Step 6: Final answer
x = 57,538,876.81
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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.