Finding the Fourth Proportional to 307,365,475.99, 424,167,722.22 and 168,136,239.12
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Solution
The fourth proportional to 307,365,475.99, 424,167,722.22 and 168,136,239.12 is: 232,029,850.92
Step by Step Solution
- Step 1: Write the proportion equation
307,365,475.99 : 424,167,722.22 = 168,136,239.12 : x - Step 2: Convert to fraction form
307,365,475.99/424,167,722.22 = 168,136,239.12/x - Step 3: Cross multiply
307,365,475.99x = 424,167,722.22 × 168,136,239.12 - Step 4: Simplify right side
307,365,475.99x = 71,317,965,571,117,216 - Step 5: Solve for x
x = 71,317,965,571,117,216/307,365,475.99 - Step 6: Final answer
x = 232,029,850.92
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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.