Finding the Fourth Proportional to 51,680,789.15, 71,324,514.98 and 38,605,347.65
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Solution
The fourth proportional to 51,680,789.15, 71,324,514.98 and 38,605,347.65 is: 53,279,134.12
Step by Step Solution
- Step 1: Write the proportion equation
51,680,789.15 : 71,324,514.98 = 38,605,347.65 : x - Step 2: Convert to fraction form
51,680,789.15/71,324,514.98 = 38,605,347.65/x - Step 3: Cross multiply
51,680,789.15x = 71,324,514.98 × 38,605,347.65 - Step 4: Simplify right side
51,680,789.15x = 2,753,507,696,220,883.50 - Step 5: Solve for x
x = 2,753,507,696,220,883.50/51,680,789.15 - Step 6: Final answer
x = 53,279,134.12
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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.