Finding the Fourth Proportional to 88,609,159.68, 122,291,777.28 and 51,431,447.04
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Solution
The fourth proportional to 88,609,159.68, 122,291,777.28 and 51,431,447.04 is: 70,981,861.12
Step by Step Solution
- Step 1: Write the proportion equation
88,609,159.68 : 122,291,777.28 = 51,431,447.04 : x - Step 2: Convert to fraction form
88,609,159.68/122,291,777.28 = 51,431,447.04/x - Step 3: Cross multiply
88,609,159.68x = 122,291,777.28 × 51,431,447.04 - Step 4: Simplify right side
88,609,159.68x = 6,289,643,066,603,795 - Step 5: Solve for x
x = 6,289,643,066,603,795/88,609,159.68 - Step 6: Final answer
x = 70,981,861.12
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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.