Finding the Fourth Proportional to 53,148,472.23, 73,344,891.08 and 28,702,186.23
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Solution
The fourth proportional to 53,148,472.23, 73,344,891.08 and 28,702,186.23 is: 39,609,016.68
Step by Step Solution
- Step 1: Write the proportion equation
53,148,472.23 : 73,344,891.08 = 28,702,186.23 : x - Step 2: Convert to fraction form
53,148,472.23/73,344,891.08 = 28,702,186.23/x - Step 3: Cross multiply
53,148,472.23x = 73,344,891.08 × 28,702,186.23 - Step 4: Simplify right side
53,148,472.23x = 2,105,158,722,868,981.25 - Step 5: Solve for x
x = 2,105,158,722,868,981.25/53,148,472.23 - Step 6: Final answer
x = 39,609,016.68
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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.