Finding the Fourth Proportional to 207,773,123.84, 286,818,744.96 and 124,170,748.16
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Solution
The fourth proportional to 207,773,123.84, 286,818,744.96 and 124,170,748.16 is: 171,410,514.94
Step by Step Solution
- Step 1: Write the proportion equation
207,773,123.84 : 286,818,744.96 = 124,170,748.16 : x - Step 2: Convert to fraction form
207,773,123.84/286,818,744.96 = 124,170,748.16/x - Step 3: Cross multiply
207,773,123.84x = 286,818,744.96 × 124,170,748.16 - Step 4: Simplify right side
207,773,123.84x = 35,614,498,147,995,424 - Step 5: Solve for x
x = 35,614,498,147,995,424/207,773,123.84 - Step 6: Final answer
x = 171,410,514.94
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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.