Finding the Fourth Proportional to 71,927,940.96, 99,258,539.94 and 39,332,193.12
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Solution
The fourth proportional to 71,927,940.96, 99,258,539.94 and 39,332,193.12 is: 54,277,322.69
Step by Step Solution
- Step 1: Write the proportion equation
71,927,940.96 : 99,258,539.94 = 39,332,193.12 : x - Step 2: Convert to fraction form
71,927,940.96/99,258,539.94 = 39,332,193.12/x - Step 3: Cross multiply
71,927,940.96x = 99,258,539.94 × 39,332,193.12 - Step 4: Simplify right side
71,927,940.96x = 3,904,056,061,729,313 - Step 5: Solve for x
x = 3,904,056,061,729,313/71,927,940.96 - Step 6: Final answer
x = 54,277,322.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.