Finding the Fourth Proportional to 71,500,243.53, 98,769,945.47 and 68,845,692.09
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Solution
The fourth proportional to 71,500,243.53, 98,769,945.47 and 68,845,692.09 is: 95,102,966.33
Step by Step Solution
- Step 1: Write the proportion equation
71,500,243.53 : 98,769,945.47 = 68,845,692.09 : x - Step 2: Convert to fraction form
71,500,243.53/98,769,945.47 = 68,845,692.09/x - Step 3: Cross multiply
71,500,243.53x = 98,769,945.47 × 68,845,692.09 - Step 4: Simplify right side
71,500,243.53x = 6,799,885,253,229,482 - Step 5: Solve for x
x = 6,799,885,253,229,482/71,500,243.53 - Step 6: Final answer
x = 95,102,966.33
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1.5x scale
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.