Finding the Fourth Proportional to 81,295,132.36, 112,187,396.28 and 44,125,421.08
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Solution
The fourth proportional to 81,295,132.36, 112,187,396.28 and 44,125,421.08 is: 60,893,142.76
Step by Step Solution
- Step 1: Write the proportion equation
81,295,132.36 : 112,187,396.28 = 44,125,421.08 : x - Step 2: Convert to fraction form
81,295,132.36/112,187,396.28 = 44,125,421.08/x - Step 3: Cross multiply
81,295,132.36x = 112,187,396.28 × 44,125,421.08 - Step 4: Simplify right side
81,295,132.36x = 4,950,316,100,723,825 - Step 5: Solve for x
x = 4,950,316,100,723,825/81,295,132.36 - Step 6: Final answer
x = 60,893,142.76
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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.