Finding the Fourth Proportional to 198,593,613.74, 273,945,064.84 and 124,124,935.14
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Solution
The fourth proportional to 198,593,613.74, 273,945,064.84 and 124,124,935.14 is: 171,221,081.91
Step by Step Solution
- Step 1: Write the proportion equation
198,593,613.74 : 273,945,064.84 = 124,124,935.14 : x - Step 2: Convert to fraction form
198,593,613.74/273,945,064.84 = 124,124,935.14/x - Step 3: Cross multiply
198,593,613.74x = 273,945,064.84 × 124,124,935.14 - Step 4: Simplify right side
198,593,613.74x = 34,003,413,404,877,780 - Step 5: Solve for x
x = 34,003,413,404,877,780/198,593,613.74 - Step 6: Final answer
x = 171,221,081.91
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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.