Finding the Fourth Proportional to 68,243,457.25, 102,365,185.88 and 22,805,251.75
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Solution
The fourth proportional to 68,243,457.25, 102,365,185.88 and 22,805,251.75 is: 34,207,877.63
Step by Step Solution
- Step 1: Write the proportion equation
68,243,457.25 : 102,365,185.88 = 22,805,251.75 : x - Step 2: Convert to fraction form
68,243,457.25/102,365,185.88 = 22,805,251.75/x - Step 3: Cross multiply
68,243,457.25x = 102,365,185.88 × 22,805,251.75 - Step 4: Simplify right side
68,243,457.25x = 2,334,463,834,428,945 - Step 5: Solve for x
x = 2,334,463,834,428,945/68,243,457.25 - Step 6: Final answer
x = 34,207,877.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.