Finding the Fourth Proportional to 307,992,854.25, 425,030,136.84 and 168,760,626.66
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Solution
The fourth proportional to 307,992,854.25, 425,030,136.84 and 168,760,626.66 is: 232,889,663.68
Step by Step Solution
- Step 1: Write the proportion equation
307,992,854.25 : 425,030,136.84 = 168,760,626.66 : x - Step 2: Convert to fraction form
307,992,854.25/425,030,136.84 = 168,760,626.66/x - Step 3: Cross multiply
307,992,854.25x = 425,030,136.84 × 168,760,626.66 - Step 4: Simplify right side
307,992,854.25x = 71,728,352,242,503,944 - Step 5: Solve for x
x = 71,728,352,242,503,944/307,992,854.25 - Step 6: Final answer
x = 232,889,663.68
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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.