Finding the Fourth Proportional to 307,824,507.49, 424,798,230.12 and 166,695,971.44
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Solution
The fourth proportional to 307,824,507.49, 424,798,230.12 and 166,695,971.44 is: 230,040,662.50
Step by Step Solution
- Step 1: Write the proportion equation
307,824,507.49 : 424,798,230.12 = 166,695,971.44 : x - Step 2: Convert to fraction form
307,824,507.49/424,798,230.12 = 166,695,971.44/x - Step 3: Cross multiply
307,824,507.49x = 424,798,230.12 × 166,695,971.44 - Step 4: Simplify right side
307,824,507.49x = 70,812,153,635,846,064 - Step 5: Solve for x
x = 70,812,153,635,846,064/307,824,507.49 - Step 6: Final answer
x = 230,040,662.50
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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.