Finding the Fourth Proportional to 88,485,931.62, 122,117,855.79 and 48,801,224.24
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Solution
The fourth proportional to 88,485,931.62, 122,117,855.79 and 48,801,224.24 is: 67,349,699.04
Step by Step Solution
- Step 1: Write the proportion equation
88,485,931.62 : 122,117,855.79 = 48,801,224.24 : x - Step 2: Convert to fraction form
88,485,931.62/122,117,855.79 = 48,801,224.24/x - Step 3: Cross multiply
88,485,931.62x = 122,117,855.79 × 48,801,224.24 - Step 4: Simplify right side
88,485,931.62x = 5,959,500,863,505,183 - Step 5: Solve for x
x = 5,959,500,863,505,183/88,485,931.62 - Step 6: Final answer
x = 67,349,699.04
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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.