Finding the Fourth Proportional to 71,347,202.17, 98,457,464.38 and 41,980,436.81
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Solution
The fourth proportional to 71,347,202.17, 98,457,464.38 and 41,980,436.81 is: 57,932,017.46
Step by Step Solution
- Step 1: Write the proportion equation
71,347,202.17 : 98,457,464.38 = 41,980,436.81 : x - Step 2: Convert to fraction form
71,347,202.17/98,457,464.38 = 41,980,436.81/x - Step 3: Cross multiply
71,347,202.17x = 98,457,464.38 × 41,980,436.81 - Step 4: Simplify right side
71,347,202.17x = 4,133,287,361,877,416 - Step 5: Solve for x
x = 4,133,287,361,877,416/71,347,202.17 - Step 6: Final answer
x = 57,932,017.46
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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.