Finding the Fourth Proportional to 80,851,523.70, 121,277,285.55 and 61,719,647.70
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Solution
The fourth proportional to 80,851,523.70, 121,277,285.55 and 61,719,647.70 is: 92,579,471.55
Step by Step Solution
- Step 1: Write the proportion equation
80,851,523.70 : 121,277,285.55 = 61,719,647.70 : x - Step 2: Convert to fraction form
80,851,523.70/121,277,285.55 = 61,719,647.70/x - Step 3: Cross multiply
80,851,523.70x = 121,277,285.55 × 61,719,647.70 - Step 4: Simplify right side
80,851,523.70x = 7,485,191,338,158,301 - Step 5: Solve for x
x = 7,485,191,338,158,301/80,851,523.70 - Step 6: Final answer
x = 92,579,471.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.