Finding the Fourth Proportional to 96,744,968.97, 133,523,220.27 and 57,056,861.94
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Solution
The fourth proportional to 96,744,968.97, 133,523,220.27 and 57,056,861.94 is: 78,747,412.15
Step by Step Solution
- Step 1: Write the proportion equation
96,744,968.97 : 133,523,220.27 = 57,056,861.94 : x - Step 2: Convert to fraction form
96,744,968.97/133,523,220.27 = 57,056,861.94/x - Step 3: Cross multiply
96,744,968.97x = 133,523,220.27 × 57,056,861.94 - Step 4: Simplify right side
96,744,968.97x = 7,618,415,944,729,599 - Step 5: Solve for x
x = 7,618,415,944,729,599/96,744,968.97 - Step 6: Final answer
x = 78,747,412.15
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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.