Finding the Fourth Proportional to 358,859,614.08, 538,289,421.84 and 86,230,381.44
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Solution
The fourth proportional to 358,859,614.08, 538,289,421.84 and 86,230,381.44 is: 129,345,572.33
Step by Step Solution
- Step 1: Write the proportion equation
358,859,614.08 : 538,289,421.84 = 86,230,381.44 : x - Step 2: Convert to fraction form
358,859,614.08/538,289,421.84 = 86,230,381.44/x - Step 3: Cross multiply
358,859,614.08x = 538,289,421.84 × 86,230,381.44 - Step 4: Simplify right side
358,859,614.08x = 46,416,902,170,380,272 - Step 5: Solve for x
x = 46,416,902,170,380,272/358,859,614.08 - Step 6: Final answer
x = 129,345,572.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.